TY  - BOOK
ED  - International Commission on Irrigation and Drainage 
TI  - Symposium on Water Resources System Planning with Special Reference to Irrigation, Drainage and Flood Control. - Varna(May -1972): Proceedings
PY  - 1972///
CY  - International Commission on Irrigation and Drainage 
PB  - New Delhi
KW  - Engineering
ER  -