TY  - BOOK
AU  - Michael, A.M.
AU  - Ojha, T.P.
TI  - Principles of agricultural engineering: Vol 11 Surveying , irrigation, rampage, soil and Water Conservation 
SN  - 8186321152
AV  - S675.M5 2006 
PY  - 2010///
CY  - New Delhi
PB  - Jain brothers
KW  - Soil Conservation
KW  - Water Conservation
KW  - Surveying
ER  -