Mon, 27 Sep 2004 18:11:27 +0000 marci minor corrections
Sun, 26 Sep 2004 21:43:38 +0000 deba New symmetric Graph concept.
Fri, 24 Sep 2004 11:55:54 +0000 jacint added myself
Thu, 23 Sep 2004 15:09:55 +0000 alpar I forgot to apply