«Water in emergencies»,
Forum: war and water. pp. P. 22-29 : 2 fig., photogr.
V. Pangare,
«Water perspectives». World Water Institute (WWI), Pune, India.
Z. A. Umgeni Wat Pietermaritzburg,
«The wonder of water». Umgeni Water, External Education Services, Pietermaritzburg, South Africa, p. Video (17 min.): VHS.