000 00373nam a2200145Ia 4500
008 220314s9999||||xx |||||||||||||| ||und||
080 _a510
100 _aButler, Charles H; Wren, F Lynwood
245 0 _aTeaching of secondary mathematics
250 _a3
260 _bMcGraw-Hill Book Company, New York
_c1960
300 _a618
650 _aMathematics
942 _cBOOK
999 _c15711
_d15711