Robert Elsässer Burkhard Monien Stefan Schamberger Distributing Unit Size Workload Packages in Heterogeneous Networks. 51-68 2006 10 J. Graph Algorithms Appl. 1 http://jgaa.info/accepted/2006/ElsasserMonienSchamberger2006.10.1.pdf db/journals/jgaa/jgaa10.html#ElsasserMS06