TY  - BOOK
TI  - IMPROVING THE LIVING ENVIRONMENT FOR A SUSTAINABLE FUTURE
SN  - 9211311985
U1  - 333.7152 
PY  - 1992///
CY  - [s.l.]
PB  - UNITED NATIONS CENTRE FOR HUMAN SETTLEMENTS...
KW  - ASENTAMIENTOS HUMANOS
KW  - DESARROLLO SOSTENIBLE
KW  - MEDIO AMBIENTE
ER  -