@TECHREPORT{cs13b-tr-02-13,
  author = {Ignacio Casti{\~{n}}eiras and Fernando S\'aenz-P\'erez},
  title = {{Real-Life Employee Timetabling Problem: Instance Example}},
  number = {{SIC-02/13},
  institution = {Universidad Complutense de Madrid},
  month = {March},
  year = {2013}
}