TY  - BOOK
AU  - Michael,A.M.
AU  - Ojha,T.P.
TI  - Principles of agricultural engineering ,: surveying, irrigation drainage soil and water conservation 
SN  - 8186321152
U1  - 630.28/ M621p 23
PY  - 2012///
CY  - New Delhi
PB  - Jain brothers
KW  - Mechanical engineering
KW  - Agricultural engineering
ER  -