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without making corresponding changes to the expressions for F, G, H, I, J, K. I'm reverting back the change. Bbanerje (talk) 03:38, 13 February 2009 (UTC)[reply]
Link on bottom of article is broken (leads to University of navarra). — Preceding unsigned comment added by 194.114.62.74 (talk) 12:58, 29 November 2013 (UTC)[reply]