000 00624nam a2200241Ia 4500
003 OSt
005 20220912151343.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a38322
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aG:6x, J7
100 _aMayr Ernst Ed.
245 0 _cMayr Ernst Ed.
_aSpecies problems
260 _aWashington
_bAmerican Association for the Advancement of Sciences
_c1957
300 _aix, 395p.
_ccm.
650 _aGenetics
942 _hG:6x, J7
_cTEXL
_2CC
999 _c66818
_d66818