Robertson, E. E. Bioconversion : fuels from biomass / E. E. Robertson. - Philadelphia : Franklin Institute Press, c1977. - 72 p. : ill. ; 23 cm. ISBN: 0891680039 LCCN: 77084975 Subjects--Topical Terms: Biomass energy.Biomassa--energia LC Class. No.: TP360 / .R6 Dewey Class. No.: 621.31