000 00271nam a22001217a 4500
008 181218b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a510
100 _a37
101 _aMAY
245 _aPlane And Spherical Trigometry
_cNoble.B
942 _2udc
_cBK
999 _c53338
_d53338