@Book{428950566, title="Gulf of St. Lawrence: Water uses and related activities ; A cartographic presentation : Utilisations des eaux et activit{\'e}s connexes = Golfe Saint-Laurent", series="(Geographical paper 53)", year="1973", address="Ottawa, Canada", note="Wendy Simpson; [Hrsg.:] Environment Canada. Lands Directorate", language="Undetermined language" }