TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - IS:2720-(Pt.13)-1986. Indian standard methods of test for soils. Pt.13 : direct shear test
U1  - IS Code 
PY  - 1987///
CY  - New Delhi
PB  - Bureau of Indian Standards
N1  - ENG
ER  -