TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Specification for Perforated Concrete Pipes (IS : 7319 - 1974)
U1  - IS : 7319 - 1974 
PY  - 1974///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 7319 - 1974
ER  -