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Niko Tinbergen: A Message in the Archives.
Burkhardt RW Jr. Burkhardt RW Jr. J Hist Biol. 2016 Dec;49(4):685-703. doi: 10.1007/s10739-016-9450-y. J Hist Biol. 2016. PMID: 27435870
Evolutionary theories: the eclipse of darwinism.
Burkhardt RW Jr. Burkhardt RW Jr. Science. 1983 Oct 14;222(4620):156-7. doi: 10.1126/science.222.4620.156-a. Science. 1983. PMID: 17741654 No abstract available.