Haku
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In search for drivers for dry sanitation
(Internet -julkaisuVenus Internet Publications, 2006)
Dry toilet 2006. 2nd International Dry Toilet conference, 16-19 August 2006. Book of Abstracts
(Tampereen ammattikorkeakouluTampere, 2006)
2nd international Dry Toilet Conference 16-19 August, Tampere, Finland, CD Proceedings
(KäymäläseuraHuussi ryTampere, 2006)