Biblio

D. A. Still and O’Riordan, M., The development of pit emptying technologies, vol. 1745/3/12 [WRC report] ; 3 [Tackling the challenges of full pits]. Gezina: Water Research Commission, WRC, 2012, p. vii, 55 p.; ill.; tab.; fig.

D. A. Still and Foxon, K. M., How fast do pit toilets fill up? A scientific understanding of sludge build up and accumulation in pit latrines, vol. 1745/2/12 [WRC report] ; 2 [Tackling the challenges of full pits]. Gezina: Water Research Commission, WRC, 2012, p. vi, 50 p.; ill.; tab.; fig.

D. A. Still and Foxon, K. M., Understanding sludge accumulation in VIPs and strategies for emptying full pits, vol. 1745/1/12 [WRC report] ; 1 [Tackling the challenges of full pits]. Gezina: Water Research Commission, WRC, 2012, p. vii, 55 p.; ill.; tab.; fig.

P. A. Deverill and Still, D. A., “Building school VIPs : guidelines for the design and construction of ventilated improved pit toilets and associated facilities for schools”. National Sanitation Co-ordination Office (NaSCO), Pretoria, South Africa, p. 37 p. : ill., tech. drwngs., 1998.

D. A. Still, Salisbury, R. H., Foxon, K. M., Buckley, C. A., and Bhagwan, J. N., “The challenges of dealing with full VIP latrines”. S.n., S.l., p. 12 p.; 7 fig.; 2 tab.