Electronics Letters
Electronics Letters > 1983 > 19 > 1 > 11 - 12
Electronics Letters > 1986 > 22 > 10 > 519 - 520
Electronics Letters > 1989 > 25 > 21 > 1429 - 1431
Electronics Letters > 1992 > 28 > 13 > 1251 - 1252
Electronics Letters > 1992 > 28 > 17 > 1598 - 1599
Electronics Letters > 2008 > 44 > 10 > 639 - 640