000 00276nam a2200121Ia 4500
008 220201s1954 xx 000 0 eng d
082 _a516.24
_bVIN
100 _aVingradov,IM
245 0 _aMethod of trigonomrtrical science
260 _c1954
300 _a180
942 _2ddc
999 _c71837
_d71837