@article{athreephasesearchapproachforthe,
  title = {A Three-Phase Search Approach for the Quadratic Minimum Spanning Tree Problem},
  author = {Zhang-Hua Fu and Jin-Kao Hao},
  year = {2014},
  eprint = {1402.1379},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1402.1379v1},
}