TY  - BOOK
AU  - Ball, V. Eldon.;Norton, George W.
TI  - Agricultural productivity: measurement and sources of growth 
SN  - 0792376226 (HB)
PY  - 2010///
CY  - Boston
PB  - Kluwer Academic Publishers
KW  - Agricultural productivity;Agriculture;Agricultural prices
KW  - Economic aspects
N1  - Includes bibliographical references and index
ER  -