000 00276nam a22001217a 4500
008 190304b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a510
100 _a36
101 _aMAT
245 _aIntroduction to Mathematical ideas
_cCrowdis,D.G
942 _2udc
_cBK
999 _c54416
_d54416