Electronics Letters
Electronics Letters > 1987 > 23 > 2 > 64 - 65
Electronics Letters > 1990 > 26 > 2 > 89 - 91
Electronics Letters > 1992 > 28 > 24 > 2237 - 2238
Electronics Letters > 1993 > 29 > 23 > 2069 - 2070
Electronics Letters > 1993 > 29 > 25 > 2223 - 2225
Electronics Letters > 2007 > 43 > 23