TY  - BOOK
AU  - Bourne L S Ed.
AU  -  Simmons J W Ed.
TI  - Systems of cities:reading on structure,growth and policy
U1  - Y33z7, L81 
PY  - 1978///
CY  - New York    
PB  -  Oxford University Press      
KW  -  Cities
KW  - Urban sociology
ER  -