Ravi Ponnusamy Nashat Mansour Alok N. Choudhary Geoffrey Charles Fox Graph Contraction for Mapping Data on Parallel Computers: A Quality-Cost Tradeoff. 73-82 1994 3 Scientific Programming 1 http://iospress.metapress.com/content/m48r4580741607r2/ db/journals/sp/sp3.html#PonnusamyMCF94