000			00363nam a22001571a 4500
020			_a9780631176558
082			_a511.322 _bDAV/P
100			_aDavid Lewis
245			_aParts of classes/ _cby David Lewis
260			_aOxford: _bBasil Blackwell, _c1991.
300			_a155p.
650			_aSet Theory
650			_aMathematics
650			_aScience
942			_cBK
999			_c33682 _d33682