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Matthews HD, Solomon S, Pierrehumbert R.Matthews HD, et al.Philos Trans A Math Phys Eng Sci. 2012 Sep 13;370(1974):4365-79. doi: 10.1098/rsta.2012.0064.Philos Trans A Math Phys Eng Sci. 2012.PMID: 22869803Free PMC article.