Electronics Letters
Electronics Letters > 1989 > 25 > 18 > 1212 - 1214
Electronics Letters > 1991 > 27 > 16 > 1447 - 1449
Electronics Letters > 1991 > 27 > 22 > 1993 - 1995
Electronics Letters > 1992 > 28 > 15 > 1373 - 1374
Electronics Letters > 1992 > 28 > 17 > 1603 - 1605
Electronics Letters > 1992 > 28 > 17 > 1624 - 1625
Electronics Letters > 1993 > 29 > 17 > 1537 - 1539
Electronics Letters > 1993 > 29 > 18 > 1660 - 1661
Electronics Letters > 1993 > 29 > 19 > 1682 - 1684