000 00328nam a2200121Ia 4500
008 190829s9999 xx 000 0 und d
082 _a514
_bHAL/E
100 _aHALL, Dick Wick
100 _aSPENCER II, GUILFORD L.
245 0 _aELEMENTARY TOPOLOGY
260 _bJohn Wiley and Sons Inc., New York
_aNew York
_c1967
942 _cBK
999 _c2044
_d2044