Graham et al., 2017 (GRL)

Graham, R. M., L. Cohen, A. A. Petty, L. N. Boisvert, A. Rinke, S. R. Hudson, M. Nicolaus, and M. A. Granskog, 2017: Increasing frequency and duration of Arctic winter warming events, Geophys. Res. Lett., 44, 6974–6983, doi:10.1002/2017GL073395