@article {LM,
    AUTHOR = {Davis, Benjamin Lent and Maclagan, Diane},
     TITLE = {The card game set},
   JOURNAL = {Math. Intelligencer},
  FJOURNAL = {The Mathematical Intelligencer},
    VOLUME = {25},
      YEAR = {2003},
    NUMBER = {3},
     PAGES = {33--40},
      ISSN = {0343-6993},
     CODEN = {MAINDC},
   MRCLASS = {91A46 (05-01)},
  MRNUMBER = {2 005 098},
}