Energy systems
Subtitle: solar, wind, water, geothermal (1977)
By: Lexington Data, Inc
Series: Report - Lexington Data, inc. ; no. 11-77; Report (Lexington Data, Inc.) -- 77-11
Publisher: Lexington Data, Inc.
Published: 1977
Place of publication: Ashland, Mass
Language: eng
Number of pages: 230
Subjects: Power resources -- United States; Power (Mechanics); Energy development -- United States
Other titles: Retrieval index and abstracts of U.S. patents
Notes: At head of title: Retrieval index and abstracts of U.S. patents