Haku
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Nutrient levels, heavy metal concentrations and bacterial contamination of crops when using urine, dry toilet compost and septic tank sludge as fertilizers
(Tampere Polytechnic, University of Applied SciencesTampere, 2006)
2nd international Dry Toilet Conference 16-19 August, Tampere, Finland, CD Proceedings
(KäymäläseuraHuussi ryTampere, 2006)
Nutrient levels, heavy metal concentrations and bacterial contamination fo crops when using urine, dry toilet compost and septic tank sludge as fertilizers
(Global Dry Toilet Club of Finland, Tampere Polytechnic and Tampere University of TechnologyTampere, 2006)