S. K. Gulev; O. Zolina; S. Grigoriev (2001). "Winter Storms in the Northern Hemisphere (1958–1999)". Climate Dynamics17 (10): 795–809. doi:10.1007/s003820000145. Bibcode: 2001ClDy...17..795G.
S. K. Gulev; O. Zolina; S. Grigoriev (2001). "Winter Storms in the Northern Hemisphere (1958–1999)". Climate Dynamics17 (10): 795–809. doi:10.1007/s003820000145. Bibcode: 2001ClDy...17..795G.