000			00362nam a2200157Ia 4500
001			4538
008			141107s9999 xx 000 0 und d
020			_a0 09 170061 2
100			_aBradley Ray
245			_aUnderstanding Computer Science For Advanced Level
250			_a0
260			_aLondon
260			_bHutchinson
260			_c1989
300			_a,;ill.
999			_c33717 _d33717