@inproceedings{cost257-Aalto-INFORMS-1998,
  author = {Samuli Aalto},
  title = {Required work in the M/M/1 queue},
  booktitle = {the 4th INFORMS Telecommunications Conference},
  address = {Boca Raton, Florida},
  month = {Mar.},
  year = {1998},
  note = {published later in Selected Proceedings in Telecommunication Systems},
}