000 00244nam a2200109Ia 4500
008 211209s1928 xx 000 0 und d
041 _aeng
082 _a516.24 N28 BRI/BRY
100 _aBRIGGS W
245 _aTUTORIAL TRIGONOMETRY
260 _c1928
999 _c770
_d770