00595nam a2200217Ia 4500 112634 BIBL 20160527183422.0 720413s1972 paua 00110 eng 78180181 0721646328 EVLG QA533 .H475 516/.34 516.34 H484a Helton, Floyd Franklin 234033 Local Analytic trigonometry [by] Floyd F. Helton. Philadelphia Saunders 1972. vii, 297 p. illus. 26 cm. Trigonometry, Plane. 181554 Local 94081 94081 0 0 0 516_340000000000000_H484A 0 evl 25341 10 10 1 2016-05-27 172307 0 516.34 H484a 80000001209504 2016-05-27 00:00:00 r:112634 z:NCC:D 6