TY  - BOOK
AU  - Davis Kingsley
TI  - Cities :  Their origin ,growth and human impact
SN  - 0716708701
U1  - Y33z7, L3 
PY  - 1973///
CY  - San
PB  - Francisco W H Freeman and Company USA 
KW  - SOCIOLOGY
N1  - Readings from scientific American
ER  -