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)
Mario G. G. de Pinna: Concepts and tests of homology in the cladistic paradigm. Cladistics. Bd. 7, Nr. 6, 1991, S. 367–394, doi:10.1111/j.1096-0031.1991.tb00045.x (alternativer Volltextzugriff: CiteSeerX), S. 369 ff.
psu.edu
citeseerx.ist.psu.edu
Mario G. G. de Pinna: Concepts and tests of homology in the cladistic paradigm. Cladistics. Bd. 7, Nr. 6, 1991, S. 367–394, doi:10.1111/j.1096-0031.1991.tb00045.x (alternativer Volltextzugriff: CiteSeerX), S. 369 ff.
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)