000			00346nam a2200145Ia 4500
008			150723s9999 xx 000 0 und d
020			_a3234
082			_a 502.5 COM-I
100			_a Computech publishers
245			_a Invensions and discoveries
260			_b Computech publishers
300			_a704
650			_a Science quiz
942			_cBK
999			_c3005 _d3005