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Jacob, T., Wahr, J., Pfeffer, W., & Swenson, S. (2012). Recent contributions of glaciers and ice caps to sea level rise. Nature. http://doi.org/10.1038/nature10847 (Original work published February 2012)

Gardner, A., Moholdt, G., Cogley, J., Wouters, B., Arendt, A., Wahr, J., … Paul, F. (2013). A Reconciled Estimate of Glacier Contributions to Sea Level Rise: 2003 to 2009. Science, 340, 852–857. http://doi.org/10.1126/science.1234532 (Original work published May 2013)