J.A.
van Essen (Johan Albert ("Hans"))
Born: 8 Oct 1950 in Dieren, Netherlands
van Essen, J.A. 2011. Tracing Transitions: An overview of the evolution and migrations of the genus Mammuthus Brookes, 1828 (Mammalia, Proboscidea). Leiden University: i-xvii, [1]-270. [8 Dec 2011] [Online]
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