000
00310nam a2200121Ia 4500
008
220201s1967 xx 000 0 eng d
082
_a
621.3802
100
_a
Hughes,LEC & Hollard, FW
245
0
_a
Electronic engineer's refernce book
260
_b
London:Heywood Books
_c
1967
300
_a
1532
942
_2
ddc
999
_c
77627
_d
77627