↑Darstellung basierend auf Thomas J. Crowley: Ice age terrestrial carbon changes revisited. In: Global Biogeochemical Cycles. 9, Nr. 3, 1995, S. 377–389, doi:10.1029/95GB01107.
↑Peter U. Clark, Arthur S. Dyke, Jeremy D. Shakun, Anders E. Carlson, Jorie Clark, Barbara Wohlfarth, Jerry X. Mitrovica, Steven W. Hostetler, A. Marshall McCabe: The Last Glacial Maximum. In: Science. Band325, Nr.5941, 2009, S.710–714.
↑Mithen, Steven: After the Ice: a global human history, 20.000–5.000 BC. Harvard University Press, Cambridge MA 2004, ISBN 0-674-01570-3, S.3.