homepages/29/1340-2,
Michael Collins 0002, Home Page, http://www.csi.ucd.ie/users/michael-collins, University College Dublin, Department of Computer Science
homepages/98/4709,
Annie Louis and Annie Priyadarshini Louis, Home Page, http://www.cis.upenn.edu/~lannie/, University of Pennsylvania, Computer and Information Science Department
homepages/k/StevenOrlaKimbrough,
Steven Orla Kimbrough and Steven O. Kimbrough, Home Page, http://opim.wharton.upenn.edu/~sok/, University of Pennsylvania
homepages/m/JurgenMuller3,
Jürgen Müller 0003, Home Page, http://epic.hpi.uni-potsdam.de/Home/JuergenMueller, Hasso Plattner Institut, University of Potsdam, Potsdam, Germany