http://portal.acm.org/results.cfm?coll=portal&dl=ACM&query=Christine+Lys&short=1 http://portal.acm.org/results.cfm?coll=guide&dl=GUIDE&query=Christine+Lys&short=1 http://citeseer.ist.psu.edu/cis?q=Christine+Lys http://liinwww.ira.uka.de/searchbib/index?query=Christine+Lys http://www.google.com/search?ie=iso-8859-1&q=Christine+Lys http://dblp.uni-trier.de/rec/bibtex/conf/vbc/DeanBBKKFL96 http://www.informatik.uni-trier.de/~ley/addr.html