000 00520nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.7
_bUn58
110 _aUS. Health,Education,and Welfare,Dept
245 _aInservice education of high school mathematics teachers
260 _aWashington
_bGovt Printing
_c1961
300 _avi,109p
500 _aReport of a conf held in March, 1960, spons by N C T M with the author
650 _aMathematics
942 _cBK
999 _c55959
_d55959