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