000 00287nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Gautam, N.D. & Shanthinarayan"
245 0 _aGeneral Topology
260 _bS.Chand & Company
260 _c1973
365 _b15.00
942 _cBK
999 _c137726
_d137726