000			00310nam a2200133Ia 4500
008			211209s2008 xx 000 0 und d
020			_a8131504659
041			_aeng
082			_a514 GRO
100			_aCROOM, FRED H
245			_aPRINCIPLES OF TOPOLOGY
260			_aNEW DELHI _bCENGAGE _c2008
300			_a312
999			_c55376 _d55376