000
00246nam a2200109Ia 4500
008
220201s1989 xx 000 0 eng d
100
_a
Robbins, Judd
245
0
_a
Mastering Dos
260
_b
BPB publication
_c
1989
300
_a
722
942
_2
ddc
999
_c
84253
_d
84253