000
00273nam a2200121Ia 4500
008
220201s1978 xx 000 0 eng d
082
_a
621.3815
100
_a
Allison,J
245
0
_a
Electronic Engineering
260
_b
Mc Graw Hill
_c
1978
300
_a
302
942
_2
ddc
999
_c
80492
_d
80492