000 00343nim a2200145Ia 4500
001 Audio_53
008 220307s9999 xx 000 0 und d
245 0 _aIntroduction to DOS : disk operating systems
301 _aVideo
302 _aVideo profesor
303 _a42 min
650 _aINFORMATICA
_9527
650 _aDOS
_91235
900 _a3
999 _c20128
_d20128