00600nam 2200205 450 2085457http://id.bnportugal.gov.pt/bib/porbase/20854570-07-041144-1ESEL_BC_121.iso/07-01-2009/1004319961025d1991 m y0pory0103 baengUSPrinciples of systematic zoologyErnst Mayr, Peter D. Ashlock2nd. edNew YorkMcGraw-Hill International1991475 p.25 cmBiological Science59medfreMayrErnstAshlockPeter D.070PTESELRPC