000			00352nam a2200157Ia 4500
008			160615s9999 xx 000 0 und d
100			_aCOLIN(A J T)
245			_aIntroduction to operating systems
260			_aLondon
260			_bMacdonald
260			_c1971
300			_av p. + 120
942			_cBooks
999			_c9539 _d9539