Inspired by this writeup, I did a little digging, and found the following (very interesting sounding) article:

Irving, Robert W., and Fraser, Campbell. "Two Algorithms for the Longest Common Subsequence of Three (or More) Strings." Lecture Notes In Computer Science; Vol. 644; Proceedings of the Third Annual Symposium on Combinatorial Pattern Matching. London, UK: Springer-Verlag, 1992. Pages: 214 - 229

On ACM
Citations via CiteSeer

Alas, I am not an ACM subscriber. Perhaps I'll get lucky using Inter-Library Loan. ;-)

planetscape

In reply to Re: Longest Common Subsequence by planetscape
in thread Longest Common Subsequence by Limbic~Region

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