Amstrup, Steven C., Соединённые штаты

• ARCTIC Том 59 № 1 (2006): March: 1–113 - Articles
  Polar Bear Maternal Den Habitat in the Arctic National Wildlife Refuge, Alaska
  Аннотация  PDF (English)
• ARCTIC Том 56 № 1 (2003): March: 1–109 - Articles
  Habitat Characteristics of Polar Bear Terrestrial Maternal Den Sites in Northern Alaska
  Аннотация  PDF (English)
• ARCTIC Том 54 № 2 (2001): June: 105–206 - Articles
  Remote Identification of Polar Bear Maternal Den Habitat in Northern Alaska
  Аннотация  PDF (English)
• ARCTIC Том 51 № 2 (1998): June: 85–199 - Articles
  Caribou Distribution During the Post-calving Period in Relation to Infrastructure in the Prudhoe Bay Oil Field, Alaska
  Аннотация  PDF (English)
• ARCTIC Том 60 № 2 (2007): June: 115–225 - Articles
  Post-Den Emergence Behavior of Polar Bears (Ursus maritimus) in Northern Alaska
  Аннотация  PDF (English)