Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://webecoist.momtastic.com/2009/02/02/earthen-architecture-natural-dirt-mud-brick-buildings/ INTERNET
INTERNET http://www.cobcottage.com/node/117
INTERNET http://www.cobcottage.com/node/166
INTERNET http://www.findaproperty.com/displaystory.aspx?edid=00&salerent=0&storyid=9587
INTERNET http://www.devonperspectives.co.uk/sheepwash.html
INTERNET http://boldover.blogspot.com.es/2010/09/cob-house.html
