1. Spatio-temporal population change of Arctic-breeding waterbirds on the North Slope of Alaska;Amundson;Avian Conserv. Ecol.,2019
2. Bivand, R., Keitt, T., & Rowlingson, B., 2019, rgdal: Bindings for the “Geospatial” Data Abstraction Library, Retrieved from 〈https://cran.r-project.org/package=rgdal〉.
3. Bivand, R., & Rundel, C., 2019, rgeos: Interface to Geometry Engine - Open Source (GEOS), Retrieved from 〈http://cran.r-project.org/package=rgeos〉.
4. Demographic characteristics of molting black brant near Teshekpuk Lake, Alaska;Bollinger;J. Field Ornithol.,1996
5. Bureau of Land Management, 2008, Northeast National Petroleum Reserve—Alaska supplemental integrated activity plan—Record of decision. Bureau of Land Management, Anchorage, Alaska.