@article{secondinternationalnurserostering,
  title = {Second International Nurse Rostering Competition (INRC-II) --- Problem Description and Rules ---},
  author = {Sara Ceschia and Nguyen Thi Thanh Dang and Patrick De Causmaecker and Stefaan Haspeslagh and Andrea Schaerf},
  year = {2015},
  eprint = {1501.04177},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1501.04177v1},
}