Canada and the human environment a contribution by the Government of Canada to the United Nations Conference on the Human Environment Stockholm, Sweden, June 1972.

מידע ביבליוגרפי
Corporate Authors: Canada. Department of the Environment, United Nations Conference on the Human Environment
פורמט: ספר
שפה:English
יצא לאור: [Ottawa s.n. 1972].
נושאים: