Electronics Letters
Electronics Letters > 1982 > 18 > 18 > 758 - 760
Electronics Letters > 1983 > 19 > 6 > 196 - 197
Electronics Letters > 1983 > 19 > 24 > 1035 - 1036
Electronics Letters > 1989 > 25 > 17 > 1147 - 1148
Electronics Letters > 1989 > 25 > 19 > 1315 - 1317
Electronics Letters > 1990 > 26 > 3 > 213 - 214