Leo Pyle

A chinese biogas manual : popularising technology in the countryside

Ariane van Buren, Leo Pyle, Michael Crook, 1976 .

3. Maintenance and Quality Appraisal of Biogas Pits; Scientific Management of a Biogas Pit

Ariane van Buren, Leo Pyle, Michael Crook, 1976 .

Biogas technology in the third world: a multidisciplinary review.

Leo Pyle, Andrew Barnett, S. K. Subramanian, 1978 .

1. The Advantages of Biogas for Rural Areas; Basic Information about Biogas; Basic Principles for the Construction of a Biogas Pit

Ariane van Buren, Leo Pyle, Michael Crook, 1976 .