000
00290nam a2200121Ia 4500
008
220201s1992 xx 000 0 eng d
082
_a
621.381548
_b
KEO
100
_a
Kero, Benjameri
245
0
_a
Digital control system
260
_a
Delhi
_b
Swamy Pub
_c
1992
300
_a
751
942
_2
ddc
999
_c
34703
_d
34703