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