000 00293nam a2200109Ia 4500
008 171204s9999 xx 000 0 und d
245 _aTrigonometry:
245 _cJonathan Tullis
260 _c2015
650 _xG-MATH2 Trigonometry
856 _uhttp://down.ebook777.com/051/9781515176794.pdf
999 _c345508
_d345508