kelbt paper ----------- The author of Kelbt has written a rather nice paper, which is really helpful when trying to understand kelbt. Unfortunately it can't be distributed with this package because of licensing issues, but you can get it from http://www.cs.queensu.ca/~thurston/thurston_CASCON_06_btlr.pdf -- Robert Lemmen , Thu, 6 Sep 2007 09:15:23 +0100