Electronics Letters
Electronics Letters > 1989 > 25 > 2 > 136 - 137
Electronics Letters > 1989 > 25 > 14 > 892 - 894
Electronics Letters > 1989 > 25 > 22 > 1529 - 1530
Electronics Letters > 1989 > 25 > 2 > 136 - 137
Electronics Letters > 1989 > 25 > 14 > 892 - 894
Electronics Letters > 1989 > 25 > 22 > 1529 - 1530