@inproceedings{mayer-08,
 address = {Montreal, Canada},
 author = {Alfred Mayer and Clemens Nothegger and Andreas M. Chwatal and Günther R. Raidl},
 booktitle = {Proceedings of the 7th International Conference on the Practice and Theory of Automated Timetabling},
 editor = {Edmund Burke and others},
 keywords = {evolcomp},
 title = {Solving the Post Enrolment Course Timetabling Problem by Ant Colony Optimization},
 url = {https://www.ac.tuwien.ac.at/files/pub/mayer-08.pdf},
 year = {2008}
}