@Inproceedings{EPTCS152.1,
  author    = {Kaufmann, Matt and Moore, J Strother},
  year      = {2014},
  title     = {Enhancements to ACL2 in Versions 6.2, 6.3, and 6.4},
  editor    = {Verbeek, Freek and Schmaltz, Julien},
  booktitle = {{\rm Proceedings Twelfth International Workshop on the}
               ACL2 Theorem Prover and its Applications,
               {\rm Vienna, Austria, 12-13th July 2014}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {152},
  publisher = {Open Publishing Association},
  pages     = {1-7},
  doi       = {10.4204/EPTCS.152.1},
}