Huub M. M. ten Eikelder, R. J. Willemen. Some Complexity Aspects of Secondary School Timetabling Problems. In Edmund K. Burke, Wilhelm Erben, editors, Practice and Theory of Automated Timetabling III, Third International Conference, PATAT 2000, Konstanz, Germany, August 16-18, 2000, Selected Papers. Volume 2079 of Lecture Notes in Computer Science, pages 18-27, Springer, 2000. [doi]
Abstract is missing.