000			00319nam a2200133Ia 4500
008			160316s1979 xxu||||| |||| 00| 0 eng d
020			_a
100			_aLevin , Douald A
245			_aHybridization ,An Evolutionary Perspective
250			_a1ST
260			_aSTROUDSBURG _bDOWDEN _c1979
300			_a321
700			_a _a
999			_c10590 _d10590