Current problems of lower vertebrate phylogeny proceedings of the Fourth Nobel Sympopsium held in June 1967 at the Swedish Museum of Natural History (Naturhistoriska riksumuseet) in Stockholm - Nobel Symposium (4th : 1967 : Stockholm, Sweden); Orvig, Tor S; Naturhistoriska riksmuseet (Sweden) (Stockholm Almqvist Wiksell International, 1968)
'Sponsors: The Nobel Foundation and others'
Includes bibliographies.
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Keywords: Vertebrates -- Congresses; Phylogeny -- Congresses