000 | 00243nam a2200073 4500 | ||
---|---|---|---|
080 |
_a _b |
||
245 | _aIS: 2720(PART 27)-1977 Methods of test for soils part XXVII: Determination of total soluble sulphates | ||
100 | _aBUREAU OF INDIAN STANDARDS | ||
260 |
_aNEW DELHI _bBIS _c1978 |
||
300 | _a9p | ||
999 |
_c36266 _d36266 |