000 00236nam a2200073 4500
080 _a
_b
245 _aIS: 2720(PART 23)-1976 Methods of test for soils part XXIII Determination of calcium carbonate
100 _aBUREAU OF INDIAN STANDARDS
260 _aNEW DELHI
_bBIS
_c1976
300 _a6p
999 _c36262
_d36262