TY  - BOOK
ED  - Irrigation research institute.
ED  - Irrigation research institute.
TI  - The canal contribution to tubewells
U1  - 530 THE 1972 
PY  - 1972///
CY  - Punjab, Lahore
PB  - Irrigation research institute
KW  - Tubewells
KW  - Canal contribution
N1  - Includes index
ER  -