TY  - BOOK
AU  - Howard F. Gregor
TI  - Geography of agriculture : Themes in research
U1  - 630.72 
PY  - 1970///
CY  - Englewood
PB  - Prentice-Hall Inc
N1  - Howard F. Gregor: Geography of agriculture : Themes in research.  Englewood.  Prentice-Hall Inc, 1970.--(630.72GRE)
ER  -