@inproceedings{oan-Hyytia-2004-b,
  title = {Heuristic Algorithms for the Generalized Routing and Wavelength Assignment Problem},
  author = {Esa Hyytiä},
  url = {http://www.netlab.hut.fi/tutkimus/oan/publ/GRWA-nts17.pdf},
  booktitle = {Seventeenth Nordic Teletraffic Seminar, {NTS}-17},
  address = {Fornebu, Norway},
  year = {2004},
  month = {Aug.},
  pages = {373--386},
}