000 00253nam a22001097a 4500
008 170105b xxu||||| |||| 00| 0 eng d
020 _a9780801669613
041 _aeng
080 _a618.2
245 _aCALCULATE WITH CONFIDENCE
_cGRAY, D
942 _2udc
_cBK
999 _c2570
_d2570