TY  - BOOK
AU  - Association of American Geographers, Commission on College Geography .
AU  - MAssam,Bryan H
TI  - Spatial Structure of Administrative Systems / Bryan H.MAssam
CY  - Washington,D.C
PB  - Association of American Geographers
KW  - Natural Resource
KW  - Physical Geography
KW  - Space
KW  - Spatial Structure
ER  -