000			00302nam a2200121 4500
008			160616s 000 0
245			_aSeifert and threlfall _bA textbook of topology
100			_aSeifert, H
100			_aTharelfall, W
500			_aB316 M01
942			_cBK _2BK2369 _01
080			_a515.1 SEI
999			_c2369 _d2369