TY  - BOOK
AU  - Mechael A M & Ojha T P.
TI  - Principles of Agricultural Engineering Vol-II/ (Acc: 588): Agricultural surveying irrigation drainage and soil and water conservation
U1  - 631.3 OJH 
PY  - 1981///
CY  - New Delhi.
PB  - Jain Brothers.
ER  -