00360nam a2200121Ia 4500082001700000100003900017245004700056260004800103300001300151490004000164500000500204700002900209  a516bH669.SP  aHirsch, Morris W. and Mazur, Barry  aSmoothings of piecewise linear manifoldsb  aPrincetonbPrinceton University Pressc1974  ax, 134p.  aAnnals of Mathematics studies v 80  a  aMazur, Barry ; jt. auth.