authors Guo, Qingjun Strauss, Harald Kaufman, Alan J Schröder, Stefan Gutzmer, Jens Wing, Boswell Baker, Margaret A Bekker, Andrey Jin, Qusheng Kim, Sang-Tae Farquhar, James
keywords ATMOSPHERIC OXYGEN CLIMATE-CHANGE CYCLE EVOLUTION FRACTIONATION Geology MULTIPLE SULFUR ISOTOPES PHOTOSYNTHESIS Physical Sciences RISE SNOWBALL EARTH SOUTH-AFRICA Science & Technology