TY  - BOOK
AU  - Bureau of Indian Standards[BIS]
TI  - IS:7784-(Pt.1)-1993. Indian standard design of cross drainage works : code of practice. Pt.1 : general features. 
U1  - IS CODE 
PY  - 1993///
CY  - New Delhi
PB  - Bureau of Indian Standards
N1  - ENG
ER  -