000 00271nam a2200121Ia 4500
008 160710s1987 xx 000 0 und d
082 _a628.3 BOL
100 _aBOLTO,BA
245 _aWASTE WATER TREATMENT
260 _bEFN SPON
_c1987
300 _a262
942 _2ddc
_cB
999 _c47283
_d47283