000 00262pam a2200109a 44500
082 _a517.521
_bR272i
100 _aReigh, Mildred
245 1 _aINTRODUCTION TO SETS
260 _aN. Y.
_bWebster Division, Mcgraw-Hill
_c1966
964 _gCIRC
997 _a37898 C
999 _c428430
_d428430