00396nam a22001337a 450000500170000000800410001702000180005804100080007608200170008410000180010124500830011926000500020230000100025220260519120443.0260519b        |||||||| |||| 00| 0 eng d  a0 521 25661 5  aeng  a512.2bTHO/C  aThomas, C. B.  aCharacteristic classes and the cohomology of  finite groupsc/ by C. B. Thomas  aNew York:bCambridge University Press;c1986.  a129p.