@article{iiasa4640,
          volume = {17},
          number = {51},
           title = {On the precedence relation method for deriving flexible bound models for queueing systems},
            year = {1996},
           pages = {27--36},
         journal = {Kwantitatieve Methoden},
             url = {https://pure.iiasa.ac.at/id/eprint/4640/},
            issn = {1380-4162},
          author = {Adan, I. J. B. F. and Houtum, G. J. van and Wessels, J. and Zijm, W. H. M.}
}