000 00614pam a2200217a 44500
003 OSt
040 _cIIT Kanpur
041 _aeng
082 _a591.5
_bL578e
100 _aLevins, Richard
245 1 _aEvolution in changing environments
_cRichard Levins
_bsome theoretical explorations
260 _aPrinceton
_bPrinceton University Press
_c1968
300 _aix, 120p
440 _aMonographs in population biology
490 _a/ edited by Robert H. Macarthur
500 _aIncludes bibliography
650 _aAnimal population
650 _aPopulation genetics
650 _aEvolution
942 _cBK
999 _c386780
_d386780