000
00268nam a2200109Ia 4500
008
210501s9999 xx 000 0 und d
100
_a
Tanenbaum; A.S.
245
0
_a
Operating System
260
_c
2004
_b
Pearson India Education Services
300
_a
939
942
_c
BCA
999
_c
43207
_d
43207