000 00326nam a2200145Ia 4500
008 170207s9999 xx 000 0 und d
082 _aPG 514 ARM-B
100 _aArmstrong, M A
245 _aBasic topology
260 _bspringer
260 _c1983
300 _a251
650 _aTopology; Mathematics
942 _cBOOKS
999 _c42149
_d42149