TY  - BOOK
AU  - Earl O. Heady
TI  - Economics agricultural production and resource use
U1  - 338.1 
PY  - 1952///
CY  - New York
PB  - Prentice Hall , Inc
N1  - Earl O. Heady: Economics agricultural production and resource use.  New York.  Prentice Hall , Inc, 1952.--(338.1HEA)
ER  -