TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Methods of test for soils  part-28   determination of dry density of soils in place by the sand replacement method    IS: 2720-1974 / 
U1  - 624.131 
PY  - 1982///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -