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- [8] NUCLEAR RADIATION AND ISOTOPES IN STUDY OF EARTHS CRUST AND SEARCH FOR MINERAL RESOURCES SOVIET ATOMIC ENERGY-USSR, 1969, 26 (02): : 177 - &
- [9] INTENSITY AND DEPTH OF METHANE GENERATION IN EARTHS CRUST (ACCORDING TO ISOTOPE DATA) DOKLADY AKADEMII NAUK SSSR, 1980, 252 (06): : 1476 - 1479