Electronics Letters
Electronics Letters > 1987 > 23 > 18 > 939 - 941
Electronics Letters > 1989 > 25 > 17 > 1160 - 1162
Electronics Letters > 1991 > 27 > 12 > 1051 - 1052
Electronics Letters > 1992 > 28 > 1 > 24 - 26
Electronics Letters > 1992 > 28 > 7 > 635 - 636
Electronics Letters > 1992 > 28 > 21 > 1972 - 1973
Electronics Letters > 1992 > 28 > 23 > 2196 - 2198
Electronics Letters > 1993 > 29 > 21 > 1830 - 1831