@Article{bille2005survey,
  author = {Bille, Philip},
  title  = {A survey on tree edit distance and related problems.},
  journal = {Theor. Comput. Sci.},
  year   = {2005},
  number = {1-3},
  url    = {http://dblp.uni-trier.de/db/journals/tcs/tcs337.html#Bille05},

  const  = {\ text}
}