Mauricio Hanzich Porfidio Hernández Emilio Luque Francesc Giné Francesc Solsona 3DBackfilling: A Space-Sharing Approach for Non-Dedicated Clusters. 131-138 2005 conf/pdcs/2005 IASTED PDCS db/conf/pdcs/pdcs2005.html#HanzichHLGS05