TY  - BOOK
AU  - UN, Economic and Social Affiars (Deptt of-), Centre for Housing, Building and Planning
ED  - UN, Economic and Social Affiars (Deptt of-), Centre for Housing, Building and Planning
TI  - Human settlements:  the environmental challenge  A  
SN  - 333 14071 0
U1  - U42.1.N7, L4 
PY  - 1974///
CY  - London
PB  - Macmillan          
KW  - Migration
N1  - Appendix: P 175-209
ER  -