@article {model3,
    AUTHOR = {Gaucher, P.},
     TITLE = {A model category for the homotopy theory of concurrency},
   JOURNAL = {Homology Homotopy Appl.},
  FJOURNAL = {Homology, Homotopy and Applications},
    VOLUME = {5},
      YEAR = {2003},
    NUMBER = {1},
     PAGES = {549--599 (electronic)},
      ISSN = {1512-0139},
   MRCLASS = {55U35 (55P99 68Q85)},
  MRNUMBER = {MR2072345 (2005g:55029)},
MRREVIEWER = {G{\'e}rald Gaudens},
}