http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
viii, 263 pages : illustrations ; 28 cm.
by David House ; illustrations by Vernon Surrat.
Revised edition of: The compleat biogas handbook / David House.
Microfiche. Stanford, Calif. : Appropriate Technology Project, 1986. 3 microfiches ; 11 x 15 cm. (AT microfiche reference library ; 24-568).
AT microfiche reference library ; 24-568
AT microfiche reference library ; 24-579