Dry toilet compost and separated urine as fertilisers – reflections to legislation and agricultural practices in Finland

Heinonen-Tanski, Helvi; Pradhan, Surendra; Mwakangale, Jacqueline; Hamdine, Samira; Haapamäki, Seija; Dyer, Marjukka; Viskari, Eeva-Liisa (2007)