TY  - BOOK
AU  - Rogers 
AU  - Hokanson, Clifford M.
TI  - Mathematics for agriculture 
SN  - 0813431743 
U1  - 630.21076 ROG 2000 
PY  - 2000///
CY  - Danville
PB  - Interstate
KW  - Agricultural mathematics
KW  - Problems, exercises, etc
ER  -