000 00298nam a2200121Ia 4500
008 160710s1995 xx 000 0 und d
082 _a628.162 HAL
100 _aHALLER
245 _aSIMPLIFIED WASTEWATER TREATMENT PLANT OPERATION
260 _bTECHNOMIC
_c1995
300 _a187
942 _2ddc
_cB
999 _c54767
_d54767