000
00272nam a2200109Ia 4500
008
230718s9999||||xx |||||||||||||| ||und||
082
_a
621.381 954
100
_a
TANENBAUM ANDREW S
245
0
_a
MODERN OPERAING SYSTEMS
260
_b
P H I
_c
1999
_a
NEW DELHI
300
_a
728
999
_c
31428
_d
31428