000 003230000a22001330004500
008 140223b1962 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aB312 K2
082 _aB312 K2
100 _aGRAY (James F.)
245 _aSets, relations and functions.
260 _aNew York
_bHolt
_c1962
650 _aSET THEORY
999 _c252804
_d252804