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Bernard Foster, Alexander Hammid, H. M. Davis, Darrell Preble, Douglas L. Tompkins, Robert F. Myers, Fred J. Hartman, Jan E. Weinstein, Thoughts on Icebergs, Science News, Vol. 112, No. 22 (Nov. 26, 1977), p. 355
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Foster et al. (1977) studied this question.
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