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- [41] Recent results of the IGEX 76Ge double-beta decay experimentPHYSICS OF ATOMIC NUCLEI, 2000, 63 (07) : 1225 - 1228Aalseth, CE论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAAvignone, FT论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USABrodzinski, RL论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USACebrian, S论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAGonzáles, D论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAGarcía, E论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAHensley, WK论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAIrastorza, IG论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAKirpichnikov, IV论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAKlimenko, AA论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAMiley, HS论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAMorales, A论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAMorales, J论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAde Solórzano, AR论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAOsetrov, SB论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAPogosov, VS论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAPuimedón, J论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAReeves, JH论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USASarsa, ML论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAScopel, S论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USASmolnikov, AA论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAStarostin, AS论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USATamanyan, AG论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAVasenko, AA论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAVasiliev, SI论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USAVillar, JA论文数: 0 引用数: 0 h-index: 0机构: Univ S Carolina, Columbia, SC 29208 USA Univ S Carolina, Columbia, SC 29208 USA
- [42] Recent results of the IGEX 76Ge double-beta decay experimentPhysics of Atomic Nuclei, 2000, 63 : 1225 - 1228C. E. Aalseth论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesF. T. Avignone论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesR. L. Brodzinski论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesS. Cebrian论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesD. Gonzáles论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesE. García论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesW. K. Hensley论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesI. G. Irastorza论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesI. V. Kirpichnikov论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesA. A. Klimenko论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesH. S. Miley论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesA. Morales论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesJ. Morales论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesA. Órtiz de Solórzano论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesS. B. Osetrov论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesV. S. Pogosov论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesJ. Puimedón论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesJ. H. Reeves论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesM. L. Sarsa论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesS. Scopel论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesA. A. Smolnikov论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesA. S. Starostin论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesA. G. Tamanyan论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesA. A. Vasenko论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesS. I. Vasiliev论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of SciencesJ. A. Villar论文数: 0 引用数: 0 h-index: 0机构: University of South Carolina,Institute for Nuclear Research, Russian Academy of Sciences
- [43] SUGGESTIVE EVIDENCE FOR THE 2-NEUTRINO DOUBLE-BETA DECAY OF GE-76PHYSICAL REVIEW LETTERS, 1990, 65 (25) : 3092 - 3095MILEY, HS论文数: 0 引用数: 0 h-index: 0机构: UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USA UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USAAVIGNONE, FT论文数: 0 引用数: 0 h-index: 0机构: UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USA UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USABRODZINSKI, RL论文数: 0 引用数: 0 h-index: 0机构: UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USA UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USACOLLAR, JI论文数: 0 引用数: 0 h-index: 0机构: UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USA UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USAREEVES, JH论文数: 0 引用数: 0 h-index: 0机构: UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USA UNIV S CAROLINA, DEPT PHYS & ASTRON, COLUMBIA, SC 29208 USA
- [44] MEASUREMENT OF THE BETA-BETA-2V DECAY OF GE-76PHYSICS LETTERS B, 1994, 322 (03) : 176 - 181BALYSH, A论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYBECK, M论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYBELYAEV, ST论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYBENSCH, F论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYBOCKHOLT, J论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYDEMEHIN, A论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYGUROV, A论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYHEUSSER, G论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYKLAPDORKLEINGROTHAUS, HV论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYKONDRATENKO, I论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYKOTELNIKOV, D论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYLEBEDEV, VI论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYMAIER, B论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYMULLER, A论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYPETRY, F论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYPIEPKE, A论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYPRONSKY, A论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYSTRECKER, H论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYVOLLINGER, M论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANYZUBER, K论文数: 0 引用数: 0 h-index: 0机构: MAX PLANCK INST KERNPHYS,D-69029 HEIDELBERG,GERMANY
- [45] SOME COMMENTS ON THE REAL LIMIT FOR NEUTRINOLESS DOUBLE-BETA DECAY OF GE-76NUCLEAR PHYSICS B, 1992, : 210 - 211KIRPICHNIKOV, IV论文数: 0 引用数: 0 h-index: 0
- [46] INVESTIGATION OF THE MAJORON-ACCOMPANIED DOUBLE-BETA DECAY MODE OF GE-76PHYSICAL REVIEW LETTERS, 1993, 70 (19) : 2853 - 2855BECK, M论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIABENSCH, F论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIABOCKHOLT, J论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAHEUSSER, G论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAHIRSCH, M论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAKLAPDORKLEINGROTHAUS, HV论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAMAIER, B论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAPETRY, F论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAPIEPKE, A论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIASTRECKER, H论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAVOLLINGER, M论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAZUBER, K论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIABALYSH, A论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIABELYAEV, ST论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIADEMEHIN, A论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAGUROV, A论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAKONDRATENKO, I论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIALEBEDEV, VI论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIAMULLER, A论文数: 0 引用数: 0 h-index: 0机构: IV KURCHATOV INST,MOSCOW,RUSSIA
- [47] DOUBLE BETA-DECAY OF GE-76(0+) TO 0+ AND 2+ STATES IN SE-76 STUDIED BY THE BETA-GAMMA COINCIDENCE METHODJOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS, 1987, 13 (06) : 839 - 846EJIRI, H论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANKAMIKUBOTA, N论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANNAGAI, Y论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANNAKAMURA, T论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANOKADA, K论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANSHIBATA, T论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANSHIMA, T论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANTAKAHASHI, N论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPANWATANABE, T论文数: 0 引用数: 0 h-index: 0机构: OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN OSAKA UNIV, NUCL STUDIES LAB, TOYONAKA, OSAKA 560, JAPAN
- [48] SUB-EV LIMIT FOR THE NEUTRINO MASS FROM GE-76 DOUBLE-BETA DECAY BY THE HEIDELBERG-MOSCOW EXPERIMENTPHYSICS LETTERS B, 1995, 356 (04) : 450 - 455BALYSH, A论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIABECK, M论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIABELYAEV, ST论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIABOCKHOLT, J论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIADEMEHIN, A论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAGUROV, A论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAHELLMIG, J论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAHEUSSER, G论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAHIRSCH, M论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAHOFFMANN, C论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAKLAPDORKLEINGROTHAUS, HV论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAKONDRATENKO, I论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAKOTELNIKOV, D论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIALEBEDEV, VI论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAMAIER, B论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAMULLER, A论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAPAS, H论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAPETRY, F论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIASCHEER, E论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIASTRECKER, H论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIAVOLLINGER, M论文数: 0 引用数: 0 h-index: 0机构: KURCHATOV INST, MOSCOW 123182, RUSSIA
- [49] MEASUREMENT OF THE 2-NU-BETA-BETA DECAY OF GE-76PROGRESS IN PARTICLE AND NUCLEAR PHYSICS, VOL 32: NEUTRINOS IN COSMOLOGY, ASTRO, PARTICLE AND NUCLEAR PHYSICS, 1994, 32 : 285 - 287MAIER, B论文数: 0 引用数: 0 h-index: 0机构: Max-Planck-Institut für Kernphysik, 69029 Heidelberg
- [50] THE HEIDELBERG-MOSCOW DOUBLE-BETA-EXPERIMENT USING ENRICHED GE-76WEAK AND ELECTROMAGNETIC INTERACTIONS IN NUCLEI /, 1989, : 701 - 707KLAPDOR, HV论文数: 0 引用数: 0 h-index: 0PIEPKE, A论文数: 0 引用数: 0 h-index: 0HEUSSER, G论文数: 0 引用数: 0 h-index: 0BUCHNER, A论文数: 0 引用数: 0 h-index: 0MULLER, A论文数: 0 引用数: 0 h-index: 0SCHMIDTROHR, U论文数: 0 引用数: 0 h-index: 0STRECKER, H论文数: 0 引用数: 0 h-index: 0BELYAEV, ST论文数: 0 引用数: 0 h-index: 0BALISH, A论文数: 0 引用数: 0 h-index: 0GUROV, A论文数: 0 引用数: 0 h-index: 0DEMEHIN, A论文数: 0 引用数: 0 h-index: 0KONDRATENKO, I论文数: 0 引用数: 0 h-index: 0LEBEDEV, VI论文数: 0 引用数: 0 h-index: 0