000 00326nam a2200109Ia 4500
008 180713s9999 xx 000 0 und d
082 _a624
_bISI-I
245 0 _aINDIAN STANDARD CODE OF PRACTRICE FOR WATER SUPPLY AND DRAINAGE TEMPERATUER REGIONS
_b:ISI NO.6295-1971
260 _aND
_bISI
_c1986
270 _aLUCKNOW
942 _cGB
999 _c2366
_d2366