@InProceedings{stiefel:2000,
  author = 	 {Rainer Stiefelhagen and Jie Yang and Alex},
  title = 	 {Simultaneous Tracking of Head Poses in a Panoramic View},
  booktitle = 	 {International Conference on Pattern Recognition},
  pages = 	 {726-729},
  year = 	 {2000},
  volume = 	 {3},
  location  = 	 {Barcelona},
  month = 	 {September}
}