@TechReport{The_Effect_of_Perceptual_Structure_on_Multimodal_Speech_Recognition_Interfaces,
  author = "Michael A. Grasso and David  Ebert and Tim  Finin",
  title = "{The Effect of Perceptual Structure on Multimodal Speech Recognition Interfaces}",
  month = "January",
  year = "1998",
  organization = "Computer Science and Electrical Engineering",
  institution = "University of Maryland, Baltimore County",
}