Biblio

U. Winblad y Dudley, E., «Dry latrines for urban areas : the findings of the second SANRES Workshop, Mexico City, 23-26 November 1994». SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. 34 p. : drwngs., 1994.

U. Winblad, «Dry latrines for urban areas : the findings of the first Sanres workshop, San Salvador, 4-12 November 1993». SIDA, Swedish International Development Cooperation Agency, Stockholm, Sweden, p. 25 p. : 9 fig., 3 tab., 1993.

U. Winblad y Kilama, W., Sanitation without water, Rev. and enlarged ed. Basingstoke, UK: Macmillan, 1985, p. xi, 161 p.: fig.