Reference author: D.O Hessen

First name
D.O
Last name
Hessen
Prowse, T. ., Bonsal, B. ., Duguay, C. ., Hessen, D. ., & Vuglinsky, V. . (2007). River and lake ice. United Nations Environment Programme (UNEP). Retrieved from http://www.unep.org/geo/geo_ice/