000			00391nam a2200145Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a081628242x
041			_aen
082			_a515
100			_aMEDLEY,Helen I
245		0	_aStudy0guide0for0precalculus:0Algebra,Trigonometry0and0Analytic0Geometry
260			_aCalifornia. _bHolden-Day,0Inc,0US _c1982
300			_av,231p.
942			_cSR
999			_c82064 _d82064