000 00248nam a2200085Ia 4500
008 240211s9999 xx 000 0 und d
100 1 _aGabuyo, Yonardo A..
245 1 0 _aPlane trigonometry: a modern approach /
_cYonardo A G Gabuyo.
650 0 _aTrigonometry
999 _c4370
_d4370