@inproceedings{DBLP:conf/ozchi/YinRCK07,
  author    = {Bo Yin and
               Natalie Ruiz and
               Fang Chen and
               M. Asif Khawaja},
  title     = {Automatic cognitive load detection from speech features},
  booktitle = {OZCHI},
  year      = {2007},
  pages     = {249-255},
  ee        = {http://doi.acm.org/10.1145/1324892.1324946},
  crossref  = {DBLP:conf/ozchi/2007},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/ozchi/2007,
  editor    = {Bruce Thomas},
  title     = {Proceedings of the 2007 Australasian Computer-Human Interaction
               Conference, OZCHI 2007, Adelaide, Australia, November 28-30,
               2007},
  booktitle = {OZCHI},
  publisher = {ACM},
  series    = {ACM International Conference Proceeding Series},
  volume    = {251},
  year      = {2007},
  isbn      = {978-1-59593-872-5},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}