TY  - BOOK
ED  - The World Bank
TI  - Monitoring environmental progress: a report on work in progress
T2  - Environmentally Sustainable Development Series 
SN  - 0-8213-3365-8
U1  - 333.7 
PY  - 1995///
CY  - Washington D.C.
PB  - The World Bank
KW  - MEDIO AMBIENTE
KW  - ESTADISTICAS
KW  - EVALUACION
KW  - CIENCIA POLITICA
KW  - ASPECTOS AMBIENTALES
KW  - ECONOMIA DE LA TIERRA
ER  -