000
00256nam a2200109Ia 4500
008
220201s1968 xx 000 0 eng d
082
_a
621.3
245
0
_a
Electrical engineers refernce book
260
_b
Newsness book
_c
1968
300
_a
33
942
_2
ddc
999
_c
76682
_d
76682