00379nam a2200121Ia 4500082001900000100003200019245003300051260004800084300002800132490006200160500000500222700003000227  a515.72bJ79.IS  aJones, V. and Sunder, V. S.  aIntroduction to subfactorsb  aCambridgebCambridge University Pressc1997  axii, 162p. Index, Bibl.  aLondon Mathematical society lecture notes seriesv v. 234  a  aSunder, V. S. ; jt. auth.