TY - BOOK AU - Bureau of Indian Standards[BIS] TI - IS:2720-(Pt.3/Sec.2)-1980. Indian standard methods of test for soils. Pt.3 : determination of specific gravity. Sec.2 : fine, medium and coarse grained soils U1 - IS Code PY - 1988/// CY - New Delhi PB - Bureau of Indian Standards N1 - ENG ER -