Tessa Dzial Lothar Breuer Ana da Silva Soares Guy Latouche Marie-Ange Remiche Fluid queues to solve jump processes. 132-146 2005 62 Perform. Eval. 1-4 http://dx.doi.org/10.1016/j.peva.2005.07.013 db/journals/pe/pe62.html#DzialBSLR05