000			00313nam a22001337a 4500
008			170824b xxu||||| |||| 00| 0 eng d
020			_a9780762205158
041			_aeng
080			_a51
100			_a38
101			_aMAT
245			_aSYMMETRY BASE TRIANGLES VARIABLE NUMERATOR _cHILL.M
942			_2udc _cBK
999			_c24778 _d24778