000 00283nam a2200109Ia 4500
008 220516s1988 xx 000 0 und d
041 _aeng
082 _a546.22 KEM / NAL
245 _aNALCO Water handbook
250 _a2 Ed.
260 _aSingapore
_bMc- Graw hill book company
_c1988
999 _c580737
_d580737