000 00281nam a2200073 4500
080 _a
_b
245 _aIS: 2720-PART-33-1971 Methods of test for soils partXXXIII: Determination of the density in-place by the ring and water replacement method
100 _aBUREAU OF INDIAN STANDARDS
260 _aNEW DELHI
_bBIS
_c1972
300 _a11p
999 _c36269
_d36269