000 00339nam a2200145Ia 4500
008 210210b1972 xxu||||| |||| 00| 0 eng d
082 _a574.5 KREE
100 _aKREBS (Charles J).
245 _aEcology.
260 _aNY
_bHarper & Row
_c1972
300 _ax,694
650 _aEcology distribution
690 _aEcology
906 _a032369
999 _c83323
_d83323