Methane digesters for fuel, gas and fertilizer : with complete instructions for two working models/

Methane digesters for fuel, gas and fertilizer : with complete instructions for two working models/

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Bibliographic Details
Main Authors:	236007 Fry, L. John, Merrill, Richard
Format:
Published:	Barbara, Calif. : L John Fry, 1973
Subjects:	Methane