A Pareto-based search methodology for multi-objective nurse scheduling. Burke, E. K., Li, J., & Qu, R. Annals of Operations Research, 196(1):91--109, July, 2012.
bibtex   
@article{Burke12,
  author = {Edmund K. Burke and Jingpeng Li and Rong Qu},
  title = {{A Pareto-based search methodology for multi-objective nurse scheduling}},
  journal = {Annals of Operations Research},
  volume = {196},
  number = {1},
  pages = {91--109},
  month = {July},
  year = {2012}, 
}

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