TY  - BOOK
AU  - Ottoson, Howard W
TI  - Land and people in the Northern Plains Transition Area
AV  - HD 1773 A308
PY  - 1966///
CY  - Lincoln
PB  - University of Nebraska Press
KW  - Agricultura -
KW  - Aspectos económicos -
KW  - Estados Unidos
ER  -