Electronics Letters
Electronics Letters > 1980 > 16 > 2 > 60 - 62
Electronics Letters > 1980 > 16 > 4 > 134 - 135
Electronics Letters > 1980 > 16 > 7 > 253 - 254
Electronics Letters > 1980 > 16 > 10 > 365 - 366
Electronics Letters > 1980 > 16 > 24 > 918 - 919