1. Wildlife responses to oil well drilling;Barry;Can. Wildl. Serv., Prog. Note,1976
2. Changes in the composition and standing crop of salt-marsh communities in response to the response to the removal of a grazer;Bazely;Ecology,1986
3. A review of Soviet research on the lesser snow goose on Wrangel Island, USSR;Bousfield;Wildfowl,1985
4. Nutrient quality and botanical composition of ungrazed forage and cover in coastal areas used by brood-rearing snow geese, Sagavanirktok River delta, North Slope, Alaska;Bruce,1992