000 00284nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aRaymond F.Dasman
245 0 _aEnvironmental conservation
260 _bJohn wiley & sons
260 _c1968
365 _b58.62
942 _cBK
999 _c196908
_d196908