TY - BOOK AU - Ørvig,Tor ED - Nobel Symposium ED - Naturhistoriska riksmuseet (Sweden) ED - Nobelstiftelsen. TI - Current problems of lower vertebrate phylogeny: Proceeding of the Fourth Nobel Symposium held in June 1967 at the Swedish Museum of Natural History (Naturhistoriska riksmuseet) in Stockholm PY - 1968/// CY - Stockholm, New York, London [etc.] PB - Almqvist & Wiksell, Interscience Publishers N1 - Held June 12-16, 1967; "Sponsors: The Nobel Foundation [and others]" ER -