000 00265pam a2200109a 44500
082 _a513.83
_bAL2EE
100 _aAlexandroff, Paul
245 1 _aELEMENTARY CONCEPTS OF TOPOLOGY
260 _a
_bDover Publications, Inc.
_c1961
964 _gCIRC
997 _a11991 C
999 _c408637
_d408637