Electronics Letters
Electronics Letters > 1986 > 22 > 21 > 1134 - 1135
Electronics Letters > 1987 > 23 > 10 > 484 - 485
Electronics Letters > 1987 > 23 > 12 > 619 - 620
Electronics Letters > 1987 > 23 > 18 > 921 - 922
Electronics Letters > 1987 > 23 > 20 > 1088 - 1090
Electronics Letters > 1992 > 28 > 10 > 908 - 909