Stefan Richter, Rudolf Meier: The development of phylogenetic concepts in Hennig’s early theoretical publications (1947–1966). Systematic Biology. Bd. 43, Nr. 2, 1994, S. 212–221, doi:10.2307/2413462 (alternativer Volltextzugriff: ResearchGate).
researchgate.net
Stefan Richter, Rudolf Meier: The development of phylogenetic concepts in Hennig’s early theoretical publications (1947–1966). Systematic Biology. Bd. 43, Nr. 2, 1994, S. 212–221, doi:10.2307/2413462 (alternativer Volltextzugriff: ResearchGate).