@inproceedings{nfl:iaai04,
  author    = {Bistra Dilkina and
               William S. Havens},
  title     = {The U.S. National Football League Scheduling Problem.},
  booktitle     = {19th National Conference on Artificial
               Intelligence / 16th Conference on Innovative Applications
               of Artificial Intelligence - IAAI 2004},
  address 	= { San Jose, CA},  
  year      = {2004},
  pages     = {814-819},
  crossref  = {DBLP:conf/aaai/2004},
}