Electronics Letters
Electronics Letters > 1977 > 13 > 7 > 208 - 210
Electronics Letters > 1977 > 13 > 7 > 181 - 183
Electronics Letters > 1978 > 14 > 9 > 278 - 280
Electronics Letters > 1985 > 21 > 22 > 1054 - 1055
Electronics Letters > 1977 > 13 > 7 > 208 - 210
Electronics Letters > 1977 > 13 > 7 > 181 - 183
Electronics Letters > 1978 > 14 > 9 > 278 - 280
Electronics Letters > 1985 > 21 > 22 > 1054 - 1055