@inproceedings{cost257-Hyytia-NTS14,
  author = {E. Hyytiä and J. Virtamo},
  title = {Wavelength Assignment and Routing in WDM Networks},
  booktitle = {Fourteenth Nordic Teletraffic Seminar, NTS-14},
  address = {Copenhagen, Denmark},
  month = {Aug.},
  year = {1998},
  url = {http://www.netlab.hut.fi/tutkimus/cost257/publ/ntswdm.pdf},
  pages = {31--40},
}