Modèle:Walker1958
De Odonates du Monde
Walker E.M. 1958 - The Odonata of Canada and Alaska. Vol. 2. - University of Toronto Press, Toronto, Ontario : 318 pp.
Walker E.M. 1958 - The Odonata of Canada and Alaska. Vol. 2. - University of Toronto Press, Toronto, Ontario : 318 pp.
