TY  - BOOK
AU  - Heady, Earl O
AU  - Dillon, John L.
TI  - Agricultural Production Functions
U1  - 630.0201 23
PY  - 1961///
CY  - New Delhi
PB  - Printers private limited
KW  - Agricultural productivity
KW  - Agriculture
KW  - Economic aspects
N1  - Includes bibliographical references and index
ER  -