@article {29, title = {Ice-front variation and tidewater behavior on Helheim and Kangerdlugssuaq Glaciers, Greenland}, journal = {Journal of Geophysical Research}, volume = {113}, year = {2008}, pages = {F01004}, url = {http://www.agu.org/pubs/crossref/2008/2007JF000837.shtml}, author = {Ian Joughin and I M Howat and Alley, R.B. and Ekstrom, G. and Mark Fahnestock and Moon, T. and Nettles, M. and Martin Truffer and Tsai, V.C.} }