Winter ice regime of the Lower Athabasca River, 14th Workshop on the Hydraulics of Ice Covered Rivers, Quebec City, June 19-22, 2007 - Abarca, Juan Nicolas; Hicks, Faye; Andrishak, Robyn; Keller, Dave; Krath, Chris; Steffler, Peter (CGU HS Committee on River Ice processes and the environment, 2007)