TY  - BOOK
ED  - Indian standards institution 
TI  - Methods of test for soils: Part xxix determination of dry density of soils, in place, by the core-cutter method
U1  - 624.131.431.5 
PY  - 1976///
CY  - New Delhi
PB  - Indian standards institution 
KW  - IS:2720(Part xxix)-1975
ER  -