Appropriate technology
Subtitle: a directory of activities and projects
Series: NSF/RA ; 770064
Publisher: National Science Foundation, Research Applied to National Needs, Division of Exploratory Research and Systems Analysis : for sale by the Supt. of Docs., U. S. Govt. Print. Off.
Published: 1977
Place of publication: Washington
Language: eng
Number of pages: 66
Subjects: Technology -- United States -- Directories
Notes: Based upon research supported by the National Science Foundation under Grant No. ERS 76-21350