Danish review of game biology. Vol 10, no 3. Annual cementum structures in canine teeth in arctic foxes (Alopex lagopus (L.)) from Greenland and Denmark (engelsk)
Danmarks Miljøundersøgelser. Afdeling for Kystzoneøkologi
Danish review of game biology. Vol 10, no 6. Feeding habits of Pink-footed Geese (Anser fabalis brachyrhynchus) in Denmark during the spring passage in April 1975 (engelsk)
Danmarks Miljøundersøgelser. Afdeling for Kystzoneøkologi