Rolf Rabenseifner Georg Hager Gabriele Jost Hybrid MPI/OpenMP Parallel Programming on Clusters of Multi-Core SMP Nodes. 427-436 2009 PDP http://dx.doi.org/10.1109/PDP.2009.43 conf/pdp/2009 db/conf/pdp/pdp2009.html#RabenseifnerHJ09