Search for: [References = "Weiss, H. \(2017\). 4.2 ka BP Megadrought and the Akkadian Collapse. Megadrought and Collapse\: from early agriculture to Angkor. In Weiss, H, \(Ed.\) Oxford University Press, Oxford, 93\-160. https\:\/\/doi.org\/10.1093\/oso\/9780199329199.003.0004"]