000 00354nam a2200109Ia 4500
999 _c1525
_d1525
005 20210324184733.0
008 180713s9999 xx 000 0 und d
082 _aR-624
_bISI-I
245 0 _aINDIAN STANDARD MATHODS OF SAMPLING AND TEST (PHYSICAL AND CHEMICAL) FOR WATER AND WASTE WATER
_b: IS 3025(PT 19)-1984
260 _aND
_bISI
_c1971
942 _cREF
_2ddc