000 | 00352nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 170101s1969 xx 000 0 und d | ||
082 | _a574.5 V25E | ||
100 | _aVAN DYNE, George M | ||
245 | 0 | _aEcosystem concept in natural resource managment | |
260 |
_bN.Y _c1969 |
||
300 | _a383p | ||
650 | _aECOLOGY | ||
653 | _aECOLOGY | ||
942 |
_2ddc _cB |
||
999 |
_c38215 _d38215 |