Electronics Letters
Electronics Letters > 1990 > 26 > 14 > 1012 - 1013
Electronics Letters > 1990 > 26 > 14 > 1060 - 1061
Electronics Letters > 1991 > 27 > 8 > 659 - 660
Electronics Letters > 1992 > 28 > 12 > 1085 - 1087
Electronics Letters > 1992 > 28 > 17 > 1624 - 1625
Electronics Letters > 1993 > 29 > 13 > 1185 - 1186
Electronics Letters > 1993 > 29 > 19 > 1682 - 1684