TY  - BOOK
TI  - World urbanization prospects 1990: estimates and projections of urban and rural populations and of urban agglomerations 
SN  - GDB910
U1  - 307.76 
PY  - 1991///
CY  - New York
PB  - United Nations
KW  - Rural-urban migration
N1  - "ST/ESA/SER.A/121"--T.p. verso
ER  -