@article{DBLP:journals/ipl/ClearyT03,
  author    = {Sean Cleary and
               Jennifer Taback},
  title     = {Bounding restricted rotation distance},
  journal   = {Inf. Process. Lett.},
  volume    = {88},
  number    = {5},
  year      = {2003},
  pages     = {251-256},
  ee        = {http://dx.doi.org/10.1016/j.ipl.2003.08.004},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}