000 00297nam a2200121Ia 4500
008 221001s1968 xx 000 0 eng d
082 _a514 BRO
100 _aBrown, Ronald
245 0 _aElements of modern topology
260 _aLondon
_bMcGraw-Hill
_c1968
300 _axvi, 351p.
942 _2ddc
_cBK
999 _c8354
_d8354