Electronics Letters
Electronics Letters > 1991 > 27 > 21 > 1889 - 1890
Electronics Letters > 1992 > 28 > 24 > 2247 - 2248
Electronics Letters > 1993 > 29 > 18 > 1643 - 1644
Electronics Letters > 1991 > 27 > 21 > 1889 - 1890
Electronics Letters > 1992 > 28 > 24 > 2247 - 2248
Electronics Letters > 1993 > 29 > 18 > 1643 - 1644