TY  - BOOK
ED  - Conference on Environment and Development Summary 
ED  - Secretary of social Development
TI  - National Report on environment : For the United Nations Conference on Environment and Development SUMMARY 
SN  - 968838111x
PY  - 1992///
CY  - México
PB  - Secretary of social Development, 
KW  - Ecología
KW  - Congresos, Conferencias etc
N1  - Incluye índice
ER  -