SepĂșlveda, J, Wendler, J, Leider, A, Kuss, HJ, Summons, RE and Hinrichs, KU (2009) Molecular-isotopic evidence of environmental and ecological changes across the Cenomanian-Turonian boundary in the Levant Platform of central Jordan. Organic Geochemistry, 40. 553-568. doi:10.1016/j.orggeochem.2009.02.009