000			00417nam a2200157Ia 4500
999			_c20518 _d20518
005			20211217145742.0
008			180712s9999 xx 000 0 und d
020			_a28003225
082			_a5.432 _bWIL _223
100			_aWILLIAMS, Ric
245			_aIncreasing your productivity DOS short course / _cby Ric Williams
260			_aNew York _bGlencoe _c1992
300			_a140 p.
500			_aIncludes index.
942			_cR