CVSROOT: /cvs/ppl Module name: w3ppl Changes by: roberto at cs.unipr.it 2005-04-18 14:56:34 Modified files: htdocs/Documentation: ppl.bib Log message: Added JaffarMSY94, NelsonO77, NelsonO80, Pratt77 and Shostak81. Patches: http://www.cs.unipr.it/cgi-bin/cvsweb.cgi/w3ppl/htdocs/Documentation/ppl.bib.diff?cvsroot=ppl&r1=1.85&r2=1.86