Title: Vers un nouveau type de relations entre l'homme et la nature en région tempérée =
First published: 1967
Description: Proceedings and papers of the 10th Technical meeting of I.U.C.N. held in Lucerne, June 1966. 20 papers on the ecological effects of introduced plant and animal species.
Subjects: Congresses, Nature, Human ecology, Nature conservation, Effect of human beings on