TY  - BOOK
AU  - Papageorgiou Yorgos Y
TI  - Isolated city state: An economic geography of urban spatial structure   
U1  - U43, N0 
PY  - 1990///
CY  - London
PB  - Routledge Publications U. K.       
KW  - Geography-Urban
N1  - Bibliography p.445-62
ER  -