TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - IS:2720-(Pt.36)-1987. Indian standard methods of test for soils. Pt.36 : laboratory determination of permeability of granular of soil (constant head) (First revision)
U1  - IS Code 
PY  - 1988///
CY  - New Delhi
PB  - Bureau of Indian Standards
N1  - ENG
ER  -