Electronics Letters
Electronics Letters > 1992 > 28 > 4 > 344 - 345
Electronics Letters > 1992 > 28 > 24 > 2258 - 2259
Electronics Letters > 1993 > 29 > 12 > 1133 - 1134
Electronics Letters > 1993 > 29 > 18 > 1599 - 1600
Electronics Letters > 1993 > 29 > 22 > 1986 - 1987