000
00268nam a2200121Ia 4500
008
220201s1992 xx 000 0 eng d
082
_a
4
_b
Reference OY
100
_a
Reference oy (M.K)
245
0
_a
Cobol Programming
260
_c
1992
300
_a
496
942
_2
ddc
999
_c
7012
_d
7012