TY  - GEN
AU  - Michael, A M
AU  - Ojha,  T P
TI  - Principles of agricultural engineering V.2 : Agricultural surveying, irrigation, Agricultural drainage, soil and water conservation
U1  - 631 PRI.02 
CY  - Bhopal, Jain brothers
KW  - Agricultural engineerign/ Agricultural- drainage/ Agriculture- Soil Conservation
ER  -