TY  - BOOK
AU  - EPP,  Donald J
AU  - Nalone, John W
TI  - Introduction to agricultural economics
SN  - 0 02 3339403
U1  - 338 .1 
PY  - 1981///
CY  - New york
PB  - Macmillan Press Ltd
KW  - Economic system
KW  - natural resources
KW  - product supply
ER  -