International Drinking Water Supply and Sanitation Decade : press clippings from 2 Earthscan briefing documents.
1981
Notice détaillée
Symbole***
TitreInternational Drinking Water Supply and Sanitation Decade : press clippings from 2 Earthscan briefing documents.
Cote
UNEP(02)/E22
AuteursEarthscan
Date[London] : Earthscan, [Dec. 1981]
Description
[141] p. : ill., maps.