000 00306pam a2200145a 44500
082 _a513.83
_bL52t2
100 _aLefschetz, Solomon
245 1 _aTOPOLOGY
250 _a2nd
260 _aN. Y.
_bChelsea Pub. Co.
_c1956
300 _a413
650 _aTopology
964 _gCIRC
997 _a51777 C
999 _c427983
_d427983