Electronics Letters
Electronics Letters > 1989 > 25 > 2 > 121 - 122
Electronics Letters > 1989 > 25 > 2 > 104 - 105
Electronics Letters > 1989 > 25 > 3 > 243 - 244
Electronics Letters > 1990 > 26 > 19 > 1598 - 1599
Electronics Letters > 1992 > 28 > 10 > 903 - 905
Electronics Letters > 1993 > 29 > 13 > 1185 - 1186