00474     2200169   450000500170000000800410001708000170005810000160007524500530009130000150014465300210015965300450018070000210022526000310024625000090027702000180028620120928141033.0120928t        xxu||||| |||| 00| 0 eng d  a512.542bRIB  aRibes, Luis  aProfinite groupscLuis Ribes and Pavel Zalesskii  axvi, 464p.  aProfinite groups  aProfinite groups-Homology and Cohomology  aZalesskii, Pavel  bSpringerc2010aHeidelberg  a2nd.  a9783642016417