TY  - BOOK
AU  - Nir, Dov,
TI  - Regions as a socio-environmental system: An introduction to a systemic regional geography 
T2  - Geojournal library
SN  - 0792305167
AV  - G116 N57
PY  - 1990///
CY  - Dordrecht
PB  - Kluwer Academic
KW  - Geografía
ER  -