The status and trends of seabirds breeding in Norway and Svalbard
Fauchald, P., Anker-Nilssen, T., Barrett, R.T., Bustnes, J.O., Bårdsen, B.-J., Christensen-Dalsgaard, S., Descamps, S,, Engen, S., Erikstad, K.E., Hanssen, S.A., Lorentsen, S.-H., Moe, B., Reiertsen, T.K., Strøm, H., Systad, G.H. 2015. The status and trends of seabirds breeding in Norway and Svalbard. NINA Rapport 1151: 84 pp