@article{oan-Hyytia-RareEvent-2002,
  author = {Esa Hyytiä and Jorma Virtamo},
  title = {Adaptive Importance Sampling in Routing and Wavelength Assignment},
  journal = {European Transactions on Telecommunications ({ETT})},
  note = {Special Issue on Rare Event Simulation},
  volume = {13},
  number = {4},
  month = {July/August},
  year = {2002},
  pages = {331--339},
}