000 00321nam a2200121Ia 4500
008 211209s1954 xx 000 0 und d
041 _aeng
082 _a516.24 N54 FRA
100 _aFRANK AYRES
245 _aSCHAUM'S OUTLINE OF THEORY AND PROBLEMS OF PLANE AND SPHERICAL TRIGONOMETRY
260 _c1954
300 _a207
999 _c13749
_d13749