Pennsylvania: Geochemical Society, University Park, pp 229–231*Emiliani C, Shackleton NJ (1974) "The Brunhes Epoch: paleotemperature and geochronology".
Pennsylvania: Geochemical Society, University Park, pp 229–231* Emiliani C, Shackleton NJ (1974) "The Brunhes Epoch: paleotemperature and geochronology".