000
00250nam a2200109Ia 4500
008
200701s2000 xx 000 0 eng d
100
_a
TENENBAUM
245
0
_a
MODERN OPERATING SYSTEM
260
_b
PHI NEW DELHI
_c
2000
300
_a
728
942
_2
ddc
_c
GE
999
_c
942
_d
942