Electronics Letters
Electronics Letters > 1989 > 25 > 2 > 121 - 122
Electronics Letters > 1989 > 25 > 20 > 1359 - 1360
Electronics Letters > 1989 > 25 > 24 > 1675 - 1677
Electronics Letters > 1989 > 25 > 25 > 1709 - 1711
Electronics Letters > 1989 > 25 > 25 > 1718 - 1719
Electronics Letters > 1989 > 25 > 25 > 1708 - 1709