Teiji Watanabe, Satoshi Kameyama, Tatsuaki Sato, Imja Glacier Dead-Ice Melt Rates and Changes in a Supra-Glacial Lake, 1989-1994, Khumbu Himal, Nepal: Danger of Lake Drainage, Mountain Research and Development, Vol. 15, No. 4 (Nov., 1995), pp. 293-300
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Watanabe et al. (1995) studied this question.
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