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The principles and methods of phylogenetic systematics and its application to the taxonomy of the Pronocephalidae Looss, 1902 (Platyhelminthes: Digenea)
(University of Canterbury. Zoology, 1990)
Biological systematics has developed according to the Kuhnian model of science: there have been paradigm shifts in systematic practices, the consequence of changing perceptions of what is required of scientists, theories, ...