Electronics Letters
Electronics Letters > 1990 > 26 > 11 > 724 - 725
Electronics Letters > 1990 > 26 > 16 > 1260 - 1262
Electronics Letters > 1990 > 26 > 23 > 1977 - 1978
Electronics Letters > 1990 > 26 > 11 > 724 - 725
Electronics Letters > 1990 > 26 > 16 > 1260 - 1262
Electronics Letters > 1990 > 26 > 23 > 1977 - 1978