Environmentally appropriate technology
Subtitle: developing technologies for a conserver society in Canada
By: by Bruce McCallum.
Contributors: Canada. Environment Canada.
Edition: Ed. 3.
Publisher: Environment Canada
Published: 1975
Place of publication: Ottawa
Language: eng
Number of pages: 163
Subjects: Environmental protection -- Canada.; Energy conservation -- Canada.; Appropriate technology -- Canada.
Notes: Bibliography: p. 154-160.
Cover title.