00353nam a2200121Ia 4500082001900000100002400019245007300043260003100116300001900147500000500166700002800171700003200199  a511.6bH178.CT  aHall, Marshall, Jr.  aCombinatorial theorybcEd. by Garrett Birkhoff and Albert W. Tucker  aNew YorkbJohn Wileyc1967  ax, 310p. Index  a  aBirkhoff, Garrett ; ed.  aTucker, Albert W. ; jt. ed.