000 00314nam a2200121Ia 4500
008 160710s1978 xx 000 0 und d
082 _a628.162 WPC
100 _aWPCF,P.
245 _aINSTRUMENTATION IN WASTE WATER TREATMENT PLANTS
260 _bWATER POLLUTION CO. FED.
_c1978
300 _a108
942 _2ddc
_cB
999 _c50594
_d50594