000 00338nam a2200121Ia 4500
082 _a574.5
_bKRE
100 _aKrebs, Charles J.
245 _aEcology : the experimental analysis of distribution and abundance.
260 _aNew York,London etc
_bHarper & Raw Pub.
_c1978
300 _a678p.
890 _aUnited States
999 _c8832
_d8832