000
00250nam a2200121Ia 4500
008
211122s9999 xx 000 0 und d
082
_a
5.43
100
_a
STALLINGS
245
0
_a
OPERATING SYSTEM
260
_b
PHI
365
_b
250.00
942
_c
BK
999
_c
64373
_d
64373