TY  - GEN
AU  - Bhattacharya , A. K.
AU  - michael ,  A.M.
TI  - land drainage: priciples,methods and applications
SN  - 8122006558
U1  - 631.62 
PY  - 2003///
CY  - New Delhi
PB  - Konark Publishers
KW  - AGRICULTURE & TECHNOLOGIES
ER  -