000
00254nam a2200109Ia 4500
008
220201s2007 xx 000 0 eng d
100
_a
BECK, L.L.
245
0
_a
SYSTEM SOFTWARE
260
_a
DELHI
_b
PEARSON EDUCATION
_c
2007
300
_a
495
942
_2
ddc
999
_c
68628
_d
68628