Electronics Letters
Electronics Letters > 1989 > 25 > 2 > 121 - 122
Electronics Letters > 1989 > 25 > 3 > 240 - 241
Electronics Letters > 1989 > 25 > 12 > 770 - 771
Electronics Letters > 1992 > 28 > 3 > 222 - 224
Electronics Letters > 1992 > 28 > 9 > 885 - 886
Electronics Letters > 1992 > 28 > 12 > 1160 - 1162
Electronics Letters > 1993 > 29 > 14 > 1233 - 1234
Electronics Letters > 2014 > 50 > 23 > 1731 - 1733