00286nam a2200121Ia 4500082001800000100002000018245002700038260003400065300001600099490003900115500000500154700000500159  a514bSt877.SP  aStone, David A.  aStratified polyhedrab  aBerlinbSpringer-Verlagc1972  aviii, 193p.  aLecture notes in Mathematicsv 252  a  a