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Pahl-Wostl, C., Schonborn, A., Willi, N., Muncke, J., y Larsen, T.A., «Investigating consumer attitudes towards the new technology of urine separation», Water science and technology, pp. p. 57-65 : 4 fig., 2003.

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Jonsson, H., «Urine separation : Swedish experiences», EcoEng Newsletter, p. 5 p. : 2 fig., 1 tab., 1999.