Electronics Letters
Electronics Letters > 1989 > 25 > 20 > 1386 - 1388
Electronics Letters > 1989 > 25 > 20 > 1389 - 1391
Electronics Letters > 1989 > 25 > 20 > 1398 - 1399
Electronics Letters > 1989 > 25 > 20 > 1386 - 1388
Electronics Letters > 1989 > 25 > 20 > 1389 - 1391
Electronics Letters > 1989 > 25 > 20 > 1398 - 1399