„Salerni (hreinlætistæki)“: Munur á milli breytinga
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== Tenglar ==
* [http://timarit.is/view_page_init.jsp?pageId=2058196 ''Um náðhús''; grein í Árbók Hins íslenska fornleifafélags 1996]
* [http://www.off-grid.net/2009/12/13/humanure-sawdust-toilets/ Leiðbeiningar um sagsalerni.] {{Webarchive|url=https://web.archive.org/web/20130313032145/http://www.off-grid.net/2009/12/13/humanure-sawdust-toilets/ |date=2013-03-13 }}
* [http://www.treehugger.com/bathroom-design/more-hot-poop-composting-toilets-biolan-icelett-freezes-your-poop-composting-later.html Dæmi um frostklósett]
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