000
00249nam a2200109Ia 4500
008
230222s9999 xx 000 0 und d
100
_a
John J Donovan
245
0
_a
Systems programming
250
_a
1
260
_b
Tata Mcgraw Hill
_c
2003
942
_c
BK
999
_c
5960
_d
5960