Electronics Letters
Electronics Letters > 1984 > 20 > 19 > 762 - 764
Electronics Letters > 1986 > 22 > 4 > 207 - 209
Electronics Letters > 1986 > 22 > 13 > 699 - 700
Electronics Letters > 1989 > 25 > 20 > 1359 - 1360
Electronics Letters > 1990 > 26 > 2 > 89 - 91
Electronics Letters > 1990 > 26 > 14 > 1027 - 1029
Electronics Letters > 1991 > 27 > 12 > 1049 - 1051