Author: Elson, P.F., 1962.:
Title: Predator-prey relationschips between fish-eating birds and Atlantic salmon. (With a supplement on fundamentals of Marganser control.) [Fish. Res. Board Canada, Bull., 133.]
Description: Ottawa 1962. 8vo, 24.7cm. Pp. viii,87, 21 figs.and photos, 25 tabs., refs. Paperbound, orig. printed wrappers. Fine.

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