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Kaspari, S. D.; Schwikowski, M.; Gysel, M.; Flanner, M. G.; Kang, S.; Hou, S.; Mayewski, P. A. (2011). Recent increase in black carbon concentrations from a Mt. Everest ice core spanning 1860-2000 AD. Geophysical Research Letters, 38(4), L04703. Washington, D.C.: American Geophysical Union 10.1029/2010gl046096
