000 00278nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aJohn L kelley
245 0 _aGeneral topology1969
260 _bVan nostrand rein hold
260 _c1969
365 _b14.25
942 _cBK
999 _c200097
_d200097