00543nam a2200181 a 450000500170000002000150001708200150003210000210004724500620006826000280013030000250015849000350018369000240021896400220024299700190026499900170028395200610030020251203110312.0  a0817640517  a512.2bPAT  aPaterson, A.L.T.  aGroupoids, inverse semigroups and their operator algebras  aBostonbBirkauserc1999  axvi,274p.c22cm. HB.  aProgress in mathematicsdv.170  aMathematics-Algebra  bENGcd512efg_  a104951 LIBSC C  c85093d85093  00104070aPUbPUd2002-04-05l0o512.2 PATp104951yBK