000 00293nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a516.24 BOR/N BOR/A
100 _aBORCHARDT W G
245 2 _aA NEW TRIGONOMETRY
260 _bG BELL AND SONS AND LTD
_c1904
300 _a400
942 _cTB
999 _c24220
_d24220