A Chinese Biogas Manual
Popularising Technology in the Countryside

Edited by Ariane van Buren
Paper: 978 0 903031 65 3 / $21.95
Published: January 1998  

Publisher: Practical Action
136 pp., 6 1/4" x 9 1/4"
Uses diagrams and pictures to show how the basic design of the biogas pit can be adapted for construction in different soils, from sandstone to sheer rock, which should encourage other developing countries to embark on their own biogas programs. Reprinted in 1997.