TY  - BOOK
AU  - Webb Richard
TI  - On the statistical mapping of urban poverty and em
T2  - "INternational bank for reconstruction and development, world bank staff, working paper.227"
U1  - "Y:434:(B).1(X).N7, L6/UN" 
PY  - 1976///
CY  - Washington
PB  - I B R D    
KW  - Poverty
ER  -