TY  - BOOK
AU  - Kellogg, Charles E.
TI  - Agricultural devolpment ; soil, food people work
U1  - 338.9 
PY  - 1975///
CY  - Madison, Wis.
PB  - Soil Science Society of America
KW  - Desarrollo rural
KW  - Política agrícola
KW  - Suelos
ER  -