Elder70'

@article{DBLP:journals/cacm/Elder70,
  author    = {Howard A. Elder},
  title     = {On the feasibility of voice input to an on-line computer
               processing system},
  journal   = {Commun. ACM},
  volume    = {13},
  number    = {6},
  year      = {1970},
  pages     = {339-346},
  ee        = {http://doi.acm.org/10.1145/362384.362387},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}