TY  - BOOK
AU  - Henderson William L
AU  -  Ledebur Larry C
TI  - Urban economics:  Processes and problems   
T2  - Introduction to Economics Series
U1  - X:89K.73.N7, L2 
PY  - 1972///
CY  - New York
PB  - John Wiley USA       
KW  - Regional Economics
ER  -