000 00387pam a2200157a 44500
082 _a575
_bM455a
100 _aMayr, Ernst
245 1 _aANIMAL SPECIES AND EVOLUTION
260 _aCambridge
_bBelknap Press Of Harvard University Press
_c1963
300 _a797
650 _aSpecies
650 _aZoology -- Variation
650 _aEvolution
964 _gCIRC
997 _a55549 C
999 _c408928
_d408928