1. Continental-scale temperature variability during the past two millennia;Nature Geoscience,2013
2. Alsaker, LH. 2017. Effects of forestry, predators and weather on capercaillie (Tetrao urogallus) and black grouse (Lyrurus tetrix) in South-East Norway. Master’s thesis. Norwegian University of Life Sciences, Ås.
3. Baptista, LF, Trail, PW, Horblit, HM, Boesman, P and Garcia, EFJ. 2019. Stock Dove (Columba oenas). In: del Hoyo, J, Elliott, A, Sargatal, J, Christie, DA and de Juana, E. Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions. https://www.hbw.com/node/54102
4. Barrett, RT and Folkestad, AO. 1996. The status of the North Atlantic Gannet Morus bassanus after 50 years in Norway. Seabird, 18: 30–37. http://seabirdgroup.org.uk/journals/seabird-18/seabird-18.pdf#page=31