000 00740nam a22002890a 4500
001 PT30443
003 AR-LpoUNG
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008 191001s1968||||xxu|||||||||||||||||eng d
040 _aAR-LpoUNG
_bspa
_cAR-LpoUNG
_eaacr
041 _aeng
044 _axxu
082 0 _a574.5 665evo
100 1 _aLevins, Richard
245 1 0 _aEvolution in changing environments :
_bsome theoretical explorations
250 _a1§ edición
260 _aPrinceton :
_bPrinceton University,
_c1968.
300 _a120 p. :
_btbls., gráfs.
650 4 _aBIOLOGIA
650 4 _aCIENCIA
650 4 _aECOLOGIA
650 4 _aGENETICA
650 4 _aINVESTIGACION
650 4 _aTECNOLOGIA
905 _a30443
942 _cLIB
999 _c21836
_d21836