Nicolas Markey

@article{ipl1(2)-Mun,
  author =              {Munro, J. Ian},
  title =               {Efficient Determination of the Transitive Closure of
                         a Directed Graph},
  publisher =           {Elsevier},
  journal =             {Information Processing Letters},
  volume =              {1},
  number =              {2},
  pages =               {56-58},
  year =                {1971},
  month =               jun,
}