000
00304nam a2200121Ia 4500
008
210901s1971 xx 000 0 eng d
082
_a
537.5 OPE
100
_a
Open University
245
0
_a
Electromagnetics and electronics
260
_b
Open University press
_c
1971
300
_a
43p.
942
_2
ddc
_c
BK
999
_c
10429
_d
10429