Synerjy
Subtitle: a directory of energy alternatives
Publisher: J. Twine
Published: 1974
Place of publication: New York
Language: eng
Subjects: Renewable energy sources; Directories; Bibliography; Periodicals
Other titles: Synergy
Notes: "Updated semiannually; July issues are cumulative for one year."

No. 1-4 have no vol. numbering but constitute v. 1-2; Jan. 1977 has no vol. numbering but constitutes v. 3, no. 2.

Vol. 3 called also 5th ed.