000 00294nam a2200121Ia 4500
008 160710s1992 xx 000 0 und d
082 _a628.1 KEL
100 _aKELLER,A.Z.
245 _aHAZARDS TO DRINKING WATER SUPPLIES
260 _bSPRINGER-VERLAG
_c1992
300 _a177
942 _2ddc
_cB
999 _c59396
_d59396