@article{LeeR93-1,
  title = {A heuristic for the transient expected queue length of Markovian queueing systems},
  author = {I.-Jen Lee and Emily Roth},
  year = {1993},
  doi = {10.1016/0167-6377(93)90015-9},
  url = {http://dx.doi.org/10.1016/0167-6377(93)90015-9},
  researchr = {https://researchr.org/publication/LeeR93-1},
  cites = {0},
  citedby = {0},
  journal = {Oper. Res. Lett.},
  volume = {14},
  number = {1},
  pages = {25-27},
}