TY  - BOOK
AU  - Snodgrass, Milton Moore,
AU  - Wallace, Luther T.,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 2
PY  - 1964///46
CY  - New York
PB  - Appleton-Century-Crofts
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Economic aspects
KW  - Agriculture
KW  - United States
N1  - Bibliographical footnotes; 5
ER  -