Biblio

U. Winblad, Towards an ecological approach to sanitation, vol. no. 5. Stockholm, Sweden: SIDA, Swedish International Development Cooperation Agency, 1997, p. i, 13 p. : drwngs.

P. Calvert, «Compost toilets : practical action, technology challenging poverty». The Schumacher Centre for Technology and Development, Rugby, UK, p. 5 p. : 1 fig.

I. A. Nyambe, Mweemba, C., J. Tembo, M., y Kabika, J., «Final report on evaluation of ecosan facilities in chaisa compound of Lusaka». p. ix, 68 p.; 11 refs.; 16 fig.;8 tab.

E. D. Breslin y F. Santos, D., «Introducing ecological sanitation in northern Mozambique : fieldwork report». p. 8 p. : 3 boxes, photogr.

C. H. P. Clay House Project, «The otji-toilet : different designs one system». p. 6 p.; ill.; tab.

C. H. P. Clay House Project, «The otji-toilet self builder manual». p. 12 p.; ill.; tab.