000			00372nam a2200145Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
040			_e195514 _aMAIN
041			_aEnglish
082			_a005.43 E61O
100			_aElmasri, Ramez
245		0	_aOperating systems: A spiral approach
260			_aNew Delhi _bTata McGraw-Hill _c2011
300			_axiv, 526 p.
942			_cBK
999			_c157940 _d157940