000 00270nam a22001217a 4500
008 170815b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a51
100 _a36
101 _aMAT
245 _aPRECALCULUS GRAPHS AND MODELS
_cCOBURN.J.W
942 _2udc
_cBK
999 _c23524
_d23524