The international drinking water supply and sanitation decade : review of regional and global data
Card's contents:OFFSET PUBLICATION, WHO ; NR 92 290,522 INTERNATIONAL The international drinking water supply and sanitation decade : review of regional and global data ( as at 31 December 1983). — Geneva : World Health Organi zation, 1986. — [2], 30 s. : wykr. ; 30 cm (Offset Publication, ISSN 0303—7878 ; / WHO ; nr 92 ISBN 92-4-170092-0