TY  - BOOK
AU  - Barton,Glen T.
AU  - Rogers,Robert O.
TI  - Farm output: past changes and projected needs 
AV  - S21 .A74 no. 162
PY  - 1956///
CY  - Washington, D.C.
PB  - U.S. Dept. of Agriculture, Agricultural Research Service
KW  - Food supply
KW  - United States
KW  - Agriculture
KW  - Economic aspects
N1  - Cover title; Prepared in Production Economics Research Branch, Agricultural Research Service, U.S. Dept. of Agriculture; Includes bibliographical references
ER  -