TY  - BOOK
AU  - Heady,Earl O.
AU  - Dillon,John L.
TI  - Agricultural production functions
SN  - 0813322505
AV  - S561 .H39 1972
U1  - 338.1018 
PY  - 1972///
CY  - Iowa
PB  - Iowa State Univ.
KW  - Economics agricultural production
ER  -