Methane digesters for fuel gas and fertilizer
By: [by L. John Fry and Richard Merrill]
Series: New Alchemy Institute. Newsletter -- no.3
Publisher: New Alchemy Institute
Published: 1973
Place of publication: Santa Barbara, Calif.
Language: eng
Number of pages: 45
Subjects: Methane; Fertilizers; Refuse as fuel
Notes: Cover title.

Bibliography: p.45-[46]