Spectroscopic Studies on Organic Matter from Triassic Reptile Bones, Upper Silesia, Poland Surmik, Dawid ; Boczarowski, Andrzej ; Balin, Katarzyna ; Dulski, Mateusz ; Szade, Jacek ; Kremer, Barbara ; Pawlicki, Roman Abstract Publication: PLoS ONE Pub Date: March 2016 DOI: 10.1371/journal.pone.0151143 Bibcode: 2016PLoSO..1151143S