000 00263nam a2200109Ia 4500
008 211209s1904 xx 000 0 und d
041 _aeng
082 _a516.24 N04 BOR/PER
100 _aBORCHARDT W G
245 _aNEW-TRIGONOMETRY FOR SCHOOLS PART I
260 _c1904
999 _c669
_d669