KimR79a'

@article{DBLP:journals/jct/KimR79a,
  author    = {Ki Hang Kim and
               Fred W. Roush},
  title     = {Words with prescribed adjacencies},
  journal   = {J. Comb. Theory, Ser. B},
  volume    = {26},
  number    = {1},
  year      = {1979},
  pages     = {85-97},
  ee        = {http://dx.doi.org/10.1016/0095-8956(79)90046-7},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}