TY  - BOOK
AU  - Heady, Earl O. 
AU  -  Dillon, John L.
TI  - Agricultural production functions 
SN  - 8170961297
U1  - 338.17 22
PY  - 1988///
CY  - New Delhi
PB  - Kalyani Publishers
KW  - Agricultural production
N1  - Includes index
ER  -