%0 Journal Article %J J. Glaciol. %D 2004 %T The basal speed of valley glaciers: an inverse approach %A Truffer, M. %B J. Glaciol. %V 50 %P 236–242 %8 mar %G eng %U http://openurl.ingenta.com/content/xref?genre=article{&}issn=0022-1430{&}volume=50{&}issue=169{&}spage=236 %R 10.3189/172756504781830088