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|Material Type:||Government publication, National government publication|
|All Authors / Contributors:||National Center for Appropriate Technology (U.S.); Appropriate Technology Program (U.S.)|
|Description:||28 pages : illustrations ; 28 cm|
|Responsibility:||prepared by the National Center for Appropriate Technology, prepared for the U.S. Dept. of Energy, Assistant Secretary, Conservation and Renewable Energy, Small Scale Technology Branch, Appropriate Technology Program.|