@inbook{130,
  author = {T.D Prowse and B.R Bonsal and C.R Duguay and D.O Hessen and V Vuglinsky},
  title = {River and lake ice},
  year = {2007},
  pages = {201-213},
  publisher = {United Nations Environment Programme (UNEP)},
  url = {http://www.unep.org/geo/geo_ice/},
}