Rubin, D. M. 1987. Cross-Bedding, Bedforms, and Paleocurrents (Concepts in Sedimentology Paleontology). Oklahoma: Society of Economic Paleontologists and Mineralogists.
Peters, K.E., Walters, C.C. and Moldowan, J.M. 2005. The Biomarker Guide: Biomarker and Isotope in Environmental and Human History. Cambridge: Cambridge University Press.