Environmentally appropriate technology
Subtitle: renewable energy and other developing technologies for a conserver society in Canada
By: by Bruce McCallum.
Edition: 5th ed.
Series: Report - Advanced Concepts Centre ; no. 15
Publisher: Minister of Supply and Services Canada
Published: 1978
Place of publication: Ottawa
Language: eng
Number of pages: 155
Subjects: Environmental protection -- Canada.; Energy conservation -- Canada.
Notes: Title page has ed. statement as 4th.