000 00269nam a2200121Ia 4500
008 160710s1954 xx 000 0 und d
082 _a516.24 AYR
100 _aAYERS, FRANK
245 _aTRIGNOMETRY
260 _bMCGRAW HILL
_c1954
300 _a207
942 _2ddc
_cB
999 _c46668
_d46668