@article{cost257-Lassila-Electronics-1998,
  author = {P. Lassila and J. Virtamo},
  title = {Variance Reduction in Monte Carlo Simulation of Product Form Systems},
  journal = {IEE Electronics Letters},
  month = {Jun.},
  year = {1998},
  volume = {34},
  number = {12},
  url = {http://ioj.iee.org.uk/},
}