000
00251nam a2200109Ia 4500
008
220201s1988 xx 000 0 eng d
100
_a
Malvino,AP
245
0
_a
Electronic principle
260
_b
Tata mcgraw hill
_c
1988
300
_a
754
942
_2
ddc
999
_c
83937
_d
83937