Biospheric foundations of the ecosystem approach / transmitted by the Government of Canada ; prepared by J.R. Vallentyne.
1990
Notice détaillée
Symbole[E/ECE/]ENVWA/SEM.5/R.28
TitreBiospheric foundations of the ecosystem approach / transmitted by the Government of Canada ; prepared by J.R. Vallentyne.
AuteursVallentyne, J.R.
Canada
Canada
DateGeneva : UN, 25 Sept. 1990.
Description
9 p.