@Inproceedings{EPTCS128.3,
  author    = {Morita, Kenichi},
  year      = {2013},
  title     = {Reversible Logic Elements with Memory and Their Universality},
  editor    = {Neary, Turlough and Cook, Matthew},
  booktitle = {{\rm Proceedings}
               Machines, Computations and Universality 2013,
               {\rm Z\"urich, Switzerland, 9/09/2013 - 11/09/2013}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {128},
  publisher = {Open Publishing Association},
  pages     = {3-14},
  doi       = {10.4204/EPTCS.128.3},
}