![](/sites/default/files/reference_icons/FORST%202002%20Technologies%20demonstrated%20at%20Echo%20Horizonal%20Biogas%20Digester.jpg)
This short document describes the concept and design of horizontal domestic biogas digesters as developed at the Educational Concerns For Hunger Organization (ECHO).
FORST, C. (2002): Technologies demonstrated at Echo: Horizontal Biogas Digester. (= An Echo Concept Paper ). North Fort Myers: Educational Concerns For Hunger Organization (ECHO) URL [Accessed: 20.04.2010]