000
00283nam a2200109Ia 4500
008
220516s1988 xx 000 0 und d
041
_a
eng
082
_a
546.22 KEM / NAL
245
_a
NALCO Water handbook
250
_a
2 Ed.
260
_a
Singapore
_b
Mc- Graw hill book company
_c
1988
999
_c
580737
_d
580737