TY  - BOOK
AU  - Hufschmidt Maynard M
TI  - Environment, natural systems, and development :  An   
U1  - U:(G:55):(X:8K), M3 
PY  - 1983///
CY  - Baltimore
PB  - John Hopkins University Press       
KW  - Geography - Environment
N1  - East-West Environment and policy institue
ER  -