000
00304nam a2200121Ia 4500
008
221102s9999 xx 000 0 und d
082
_a
658.11 KEE
100
_a
Keen, Peter G W
245
0
_a
Business multimedia explained
260
_b
Harvard Business Review
_a
USA
_c
1997
300
_a
378p p.
942
_c
BK
999
_c
886
_d
886