TY  - BOOK
AU  - Sengupta, Nirmal
TI  - User-friendly irrigation designs
SN  - 9788170363170
U1  - 333.9130954 
PY  - 1993///
CY  - New Delhi
PB  - Sage publication
KW  -  Appropriate technology -- India
KW  -  Appropriate technology
KW  - Irrigation -- India
ER  -