On a disquieting Earth 500 years after Copernicus =
Subtitle: 500 ans après Copernicus sur une terre incertaine : papers presented at the "Copernicus Celebration" in Ottawa, the 28th of November 1973.
Contributors: Sylvestre, Guy.; Wyczynski, Paul, 1921-; Royal Society of Canada.
Publisher: Royal Society of Canada
Published: 1974
Place of publication: Ottawa
Language: eng
Number of pages: 134
Subjects: Copernicus, Nicolaus, -- 1473-1543.; Science.
Other titles: 500 ans après Copernicus sur un terre incertaine; Cinq cent ans après Copernicus sur un terre incertaine
Notes: Copernicus Committee: Guy Sylvestre, Theodore J. Blachut, Paul Wyczyński, Léopold Lamontagne, Wilfred Cantwell Smith.

In English or French; summaries in alternate languages.

Includes bibliographical references.