Electronics Letters
Electronics Letters > 1989 > 25 > 13 > 846 - 847
Electronics Letters > 1989 > 25 > 22 > 1529 - 1530
Electronics Letters > 1990 > 26 > 1 > 58 - 59
Electronics Letters > 1990 > 26 > 2 > 89 - 91
Electronics Letters > 1990 > 26 > 14 > 965 - 967
Electronics Letters > 1991 > 27 > 3 > 253 - 254
Electronics Letters > 1993 > 29 > 16 > 1489 - 1491
Electronics Letters > 1993 > 29 > 21 > 1890 - 1891