TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - SP:40-1987. Handbook on structures with steel portal frames. (without cranes)
SN  - 8170610109
U1  - 600 
PY  - 1988///
CY  - New Delhi
PB  - Bureau of Indian Standards
N1  - ENG
ER  -