Problems of phylogenetic reconstruction edited by K.A. Joysey (and) A.E. Friday - London Academic Press & Systematic Association 1982 - 442p. ill. 24cm - The Systematics Association special volume series 21 . ISBN: 0123912504 LCCN: 82-219841 Subjects--Topical Terms: Phylogeny--CongresssesEvolution--Congresses