000
00267nam a2200121 a 4500
003
EIA
001
1628
942
_0
2
_2
ddc
_c
BK
245
_a
Elements of electrical engineering
260
_c
1947
008
141112s1947 ck r 000 u spa d
082
_a
621.3
_b
C771e
999
_c
4829
_d
4829