TY  - GEN
AU  - Ponrajah, A.J.P.
TI  - Design of irrigation headworks for small catchmants
PY  - 1984///
CY  - Colombo
PB  - Irrigation Department
N1  - 41111-SLSC 41112-PR 41113-PR 41114-LL 41115-LL
ER  -