000			00281nam a2200109Ia 4500
008			130705s9999 xx 000 0 und d
020			_a0070553653
050		0	_aQA 331.3 .S 28 1989
245	0	0	_a3000 solved problems in precalculus
300			_ap.
942			_2lcc _kQA 331.3 .S 28 1989
999			_c6650 _d6650