@inproceedings{Rose-etAl:2003:EDUC,
  author = {Ros\'{e}, Carolyn P.  and  Litman, Diane  and  Bhembe, Dumisizwe  and  Forbes, Kate  and  Silliman, Scott  and  Srivastava, Ramesh  and  VanLehn, Kurt},
  title  = {A Comparison of Tutor and Student Behavior in Speech Versus Text Based Tutoring},
  booktitle = {Proceedings of the HLT-NAACL 03 Workshop on Building Educational Applications Using Natural Language Processing},
  editor = {Jill Burstein and Claudia Leacock},
  url    = {http://www.aclweb.org/anthology/W03-0205.pdf},
  year   = 2003,
  pages  = {30--37}