Methane Digesters for Fuel Gas and Fertilizer with complete instructions for two working models Newsletter No. 3 Spring 1973
L. John Fry & Richard Merrill
Sold by Kingship Books, Vancouver, WA, U.S.A.
AbeBooks Seller since May 14, 2010
Used - Soft cover
Condition: Used - Good
Ships within U.S.A.
Quantity: 1 available
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