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- [46] ADDUCT ION FORMATION WITH POLYCYCLIC AROMATIC-HYDROCARBONS UNDER METHANE NEGATIVE CHEMICAL IONIZATION CONDITIONS ORGANIC MASS SPECTROMETRY, 1986, 21 (06): : 386 - 387
- [48] Soil carbon dioxide fluxes in northern semiarid grasslands (vol 34, pg 1235, 2002) SOIL BIOLOGY & BIOCHEMISTRY, 2003, 35 (02): : 343 - 343