Electronics Letters
Electronics Letters > 1989 > 25 > 15 > 984 - 985
Electronics Letters > 1989 > 25 > 23 > 1587 - 1589
Electronics Letters > 1992 > 28 > 4 > 371 - 372
Electronics Letters > 1989 > 25 > 15 > 984 - 985
Electronics Letters > 1989 > 25 > 23 > 1587 - 1589
Electronics Letters > 1992 > 28 > 4 > 371 - 372