000 00349nam a2200121Ia 4500
008 170101s1972 xx 000 0 und d
082 _a674.5 KRE
100 _aKrebs Charles J.
245 0 _aEcology - The Experimental Analysis of Distribution and Abundance
260 _aNew York
_bHafner & Row Pub. Co.
_c1972
300 _a694 p.
942 _2ddc
_cB
999 _c83566
_d83566