000			00317nam a2200133Ia 4500
008			241124s9999 xx 000 0 und d
100			_aDonovan, J.J.
245		0	_aSystem Software: An Introduction To Systems Programming
245		0	_b22
260			_bTata McGraw Hill
260			_c0
300			_a488
942			_cBK
999			_c5784 _d5784