TY  - BOOK
AU  - Grigg, David B.
TI  - The harsh lands: a study in agricultural development 
T2  - Focal problems in geography series
AV  - S439 .G79
U1  - 630 
PY  - 1970///
CY  - New York
PB  - St. Martin's Press
KW  - Agriculture
KW  - Developing countries
KW  - Tropics
N1  - Includes bibliographical references
ER  -