Systems for obtaining and exchanging environmental information in the ECE region : note / by the Secretariat.
1991
Notice détaillée
Symbole[E/ECE/]ENVWA/R.65
TitreSystems for obtaining and exchanging environmental information in the ECE region : note / by the Secretariat.
AuteursUN. ECE. Secretariat
DateGeneva : UN, 20 Dec. 1991.
Description
18 p.