000 00354nam a22001337a 4500
041 _aeng
082 0 _a591 MAY
100 1 _aMayr, Ernst
245 1 0 _aPrinciples of systematic zoology
_cErnst Mayr
260 _aNew York :
_bMcGraw-Hill Book Company,
_c1969.
300 _axi, 428 p. ;
_c24 cm.
500 _aIncludes index.
650 4 _aZoology
999 _c417955
_d417890