Biblio

E. Kvarnström and E. Petersens, af, Open planning of sanitation systems, vol. no. 2004-3. Stockholm, Sweden: Stockholm Environment Institute (SEI), 2004, p. iv, 34 p. : boxes, tab.

af E. Petersens, Johansson, M., and Andersson, J., “Market survey : extremely low flush toilets plus urine diverting toilets and urinals for collection of black water and/or urine”, vol. no. 2001:1. Water Revival Systems Uppsala (WRS), Uppsala, Sweden, p. 53 p. : fig., photogr., 2001.