@INPROCEEDINGS{Wilhelm-SMC-2004,
  author = {Wilhelm, Torsten and Boehme, Hans-Joachim and Gross, Horst-Michael
    and Backhaus, Andreas},
  title = {Statistical and Neural Methods for Vison-Based Analysis of Facial
    Expressions and Gender},
  booktitle = {IEEE Int. Conf. on Systems, Man, and Cybernetics (SMC)},
  year = {2004},
  pages = {2203--2208},
  publisher = {IEEE}
}