TY  - GEN
AU  - MIchael,  A M
AU  - Ojha,  T P
TI  - Principles of Agricultural Engineering  V.2: : surveying, irrigation, drainage, soil and water conservation  
U1  - 631 MIC 
CY  - Patna, Jain brothers
KW  - Agricultural engineering / farm power / farm machinery / farm building
ER  -