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Filters: Author is Lechner, M.  [Clear All Filters]
2013
E. Mullegger, Langergraber, G., y Lechner, M., «Selected contributions from the first WATERBIOTECH conference, from 9-11 October 2012 in Cairo, Egypt», vol. Issue 14/2013. EcoSan Club, Vienna, Austria, p. 63 p.; ill.; fig.; tab., 2013.
2004
E. Mullegger y Lechner, M., «Ecological Sanitation - a sustainable approach to future». Austrian Development Agency, Vienna, Austria, p. 12 p. : 6 fig., photogr., 2004.
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