CVSROOT: /cvs/ppl Module name: w3ppl Changes by: roberto at cs.unipr.it 2002-06-20 16:22:13 Modified files: htdocs/Documentation: ppl.bib Log message: Halbwachs79th added. Patches: http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/w3ppl/htdocs/Documentation/ppl.bib.diff?cvsroot=w3ppl&r1=1.28&r2=1.29