000
00272nam a2200121 a 4500
003
EIA
001
5677
942
_0
2
_2
ddc
_c
BK
245
_a
Physical and solid state electronics
260
_c
c1972
008
141112s1972 ck r 000 u spa d
082
_a
530.41
_b
K16p
999
_c
10761
_d
10761