@article{aneventgroupingbasedalgorithmfor,
  title = {An Event Grouping Based Algorithm for University Course Timetabling Problem},
  author = {Velin Kralev and Radoslava Kraleva and Borislav Yurukov},
  year = {2016},
  eprint = {1607.05601},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1607.05601v1},
}