TY  - BOOK
AU  - Martin, John H.
AU  - Leonard, Warren H.
AU  - Stamp, David L.
TI  - Principles of Field Crop Production / 
SN  - 0023767200
U1  - 633 
PY  - 1976///
CY  - .- New York
PB  - : Macmillan Publishing
KW  - Technology (Applied Sciences)
KW  - Agriculture and Related Technologies
KW  - Field Crops
KW  - Book Bank
ER  -