000 00340nam a2200109Ia 45e0
008 181001s1954 xx 000 0 und d
100 _aFrank Ayres JR.
245 0 _aSchemes ser. Theo. & prob. Of Plan special trigonometry
260 _bMcgraw Hill
_c1954
300 _a207
942 _2ddc
_cBK
999 _c891
_d891