S
[She59] John C. Shepherdson. The Reduction of Two-Way Automata to One-Way Automata. IBM Journal of Research and Development 3(2):198-200. April 1959. 
@article{IBM-JRD3-She,
  author =              {Shepherdson, John C.},
  title =               {The Reduction of Two-Way Automata to One-Way
                         Automata},
  journal =             {IBM Journal of Research and Development},
  volume =              {3},
  number =              {2},
  pages =               {198-200},
  year =                {1959},
  month =               apr,
}
List of authors