000 003300000a22001330004500
008 140223b1971 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aB L1
082 _aB L1
100 _aSAWYER (W W)1911-
245 _aMathematicians delight.
260 _aHarmondsworth
_bpenguin
_c1971
650 _aMATHEMATICS TREATISE
999 _c223661
_d223661