ChengM96'

@article{DBLP:journals/jacm/ChengM96,
  author    = {William C. Cheng and
               Richard R. Muntz},
  title     = {Bounding Errors Introduced by Clustering of Customers in
               Closed Product-Form Queueing Networks},
  journal   = {J. ACM},
  volume    = {43},
  number    = {4},
  year      = {1996},
  pages     = {641-669},
  ee        = {http://doi.acm.org/10.1145/234533.234539},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}