TY  - BOOK
AU  - Kohnke, Helmut
AU  - Bertrand, Anson R.
TI  - Soil Conservation
SN  - 9788176222013
U1  - 631.4 K 827 S 
PY  - 2009///
CY  - Delhi
PB  - Biotech Books
KW  - Soil conservation
ER  -