Khan, S. A., Wahr, J. M., Bevis, M. ., Velicogna, I. ., & Kendrick, E. . (2010). Spread of ice mass loss into northwest Greenland observed by GRACE and GPS. Geophysical Research Letters, 37, 06501. http://doi.org/10.1029/2010GL042460 (Original work published March 2010)