Clark, Peter U.; Dyke, Arthur S.; Shakun, Jeremy D.; Carlson, Anders E.; Clark, Jorie; Wohlfarth, Barbara; Mitrovica, Jerry X.; Hostetler, Steven W.; McCabe, A. Marshall «The Last Glacial Maximum». Science, 325, 5941, 2009, pàg. 710–4. Bibcode: 2009Sci...325..710C. DOI: 10.1126/science.1172873. PMID: 19661421.{
Clark, Peter U.; Dyke, Arthur S.; Shakun, Jeremy D.; Carlson, Anders E.; Clark, Jorie; Wohlfarth, Barbara; Mitrovica, Jerry X.; Hostetler, Steven W.; McCabe, A. Marshall «The Last Glacial Maximum». Science, 325, 5941, 2009, pàg. 710–4. Bibcode: 2009Sci...325..710C. DOI: 10.1126/science.1172873. PMID: 19661421.{
Clark, Peter U.; Dyke, Arthur S.; Shakun, Jeremy D.; Carlson, Anders E.; Clark, Jorie; Wohlfarth, Barbara; Mitrovica, Jerry X.; Hostetler, Steven W.; McCabe, A. Marshall «The Last Glacial Maximum». Science, 325, 5941, 2009, pàg. 710–4. Bibcode: 2009Sci...325..710C. DOI: 10.1126/science.1172873. PMID: 19661421.{
«The Last Glacial Maximum». 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. American Association for the Advancement of Science. 7 August 2009: Vol. 325. no. 5941, pp. 710 - 714.(anglès)