000 00326nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a574.5 V2E2
100 _aVan Dyne George M. Ed.
245 0 _aEcosystem Concept in Natural Resource Management
260 _aNew York
_bAcademic Press
_c1969
300 _a383p.
942 _2ddc
999 _c7239
_d7239