000 00320nam a2200109Ia 45e0
008 181001s1990 xx 000 0 und d
100 _aChadha M.S.
245 0 _aShemistry and the environment
260 _aLondon
_bCom. S.C.
_c1990
300 _a323
942 _2ddc
_cBK
999 _c3880
_d3880