Electronics Letters
Electronics Letters > 1989 > 25 > 21 > 1447 - 1449
Electronics Letters > 1992 > 28 > 1 > 55 - 56
Electronics Letters > 1993 > 29 > 11 > 982 - 984
Electronics Letters > 1989 > 25 > 21 > 1447 - 1449
Electronics Letters > 1992 > 28 > 1 > 55 - 56
Electronics Letters > 1993 > 29 > 11 > 982 - 984