000 00290nam a2200109Ia 4500
008 221129s1930 xx 000 0 und d
041 _aeng
082 _a516.24
100 _aBrown, Frederick G. W.
_91210366
245 _aPlane Trigonometry
260 _aLondon
_bMacmillan & Co. Limited
_c1930
999 _c780628
_d780628