?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Khalid%2C+HM&rft.aufirst=HM&rft.aulast=Khalid&rft.inst=University+of+London&rft.title=Human+Factors+of+Integrating+Speech+and+Manual+Input+Devices%3A+The+Case+of+Computer+Aided+Design&rft.tpages=401&rft.degree=Doctoral&rft.date=1990