Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Akai Masamichi and Yabuta Hikaru,"Carbon and sulfur contents in K/Pg boundary sediments, Neuquen basin, Argentina: Massive extinction affect on Southern hemisphere biosphere",Abstracts of Annual Meeting of the Geochemical Society of Japan,,GEOCHEMICAL SOCIETY OF JAPAN,2015,62,0,204,https://cir.nii.ac.jp/crid/1390282680712657536,https://doi.org/10.14862/geochemproc.62.0_204