000 00639nam a2200229Ia 4500
003 OSt
005 20220928111949.0
006 a|||||r|||| 00| 0
007 ta
008 220927b |||||||| |||| 00| 0 eng d
024 _a24815
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aG:55, K8
100 _aLevins Richard
245 0 _aEvolution in changing environments
_b Some theoretical explorations.
260 _aNew Jersey
_bPrinceton University Press
_c1968
300 _aix,120p
_ccm.
942 _hG:55, K8
_cTEXL
_2CC
999 _c742678
_d742678