000			00323nam a2200133Ia 4500
008			180112s9999||||xx |||||||||||||| ||und||
020			_a9780074632727
082			_a5.43
100			_aMILENKOVIC MILAN
245		0	_aOPERATING SYSTEM
260			_aSINGAPORE _bM.G.H PUBLISHER-1 _c1987
300			_a568
650			_aOperating system
942			_cGEN_BK
999			_c2894 _d2894