1.
- Water, sanitation and health electronic library [elektronický zdroj] : a compendium of WHO information on water, sanitation and health / World Health Organization. - WSH 1.0 - Nov 2001 - Geneva : World Health Organization, 2001 - 1 elektronický optický disk (CD-ROM) ISBN 92-4-154549-6 [1, currently available 0, at library only 1]
- Chapters, articles