TY  - BOOK
ED  - Indian standards institution
TI  - Indian Standard Methods of test for soils Part IX:  determination of dry density-moisture content relation by constant weight of soil method
U1  - 624.131.433.2 
PY  - 1972///
CY  - New Delhi
PB  -  Indian standards institution
KW  - IS:2720(Part IX)-1971
ER  -