TY  - BOOK
AU  - Bakkes, J. A.
AU  - Born, G. J. van den
AU  - Helder, J. C.
AU  - Swart, R. J.
TI  - An overview of environmental indicators: state of the art and perspectives
SN  - 92-807-14
U1  - 333.7 
PY  - 1994///
CY  - Nairobi
PB  - UNEP
KW  - Gestión Ambiental
KW  - Cambio Climático
KW  - Medio Ambiente
N1  - 04560; Introduction to environmental indicators. Selected environmental issues. Sets of indicators and environmental indices. The adequacy of current practices.
ER  -