000			00377nam a2200157Ia 4500
008			230917s9999||||xx |||||||||||||| ||und||
020			_cPON3
040			_e26278 _aMAIN
041			_aEnglish
082			_a005.43 T34C
100			_aTheaker, Colin J
245		0	_aConcepts of operating systems
260			_aLondon _bMacmillan _c1993
300			_axiii,225/- p.
942			_cBK
999			_c99712 _d99712