000 00308nam a2200109Ia 4500
008 171204s9999 xx 000 0 und d
245 _aTrigonometry: A Clever Study Guide
245 _cJames Tanton
260 _c2016
650 _xG-MATH2 Trigonometry
856 _uhttp://down.ebook777.com/051/0883858363.pdf
999 _c345507
_d345507