Ziegenbalg, SB, Birgel, D, Hoffmann-Sell, L, Pierre, C, Rouchy, JM and Peckmann, JL (2012) Anaerobic oxidation of methane in hypersaline Messinian environments revealed by C-13-depleted molecular fossils. Chemical Geology, 292. 140-148. doi:10.1016/j.chemgeo.2011.11.024