Electronics Letters
Electronics Letters > 1991 > 27 > 18 > 1671 - 1673
Electronics Letters > 1992 > 28 > 6 > 537 - 539
Electronics Letters > 1992 > 28 > 7 > 689 - 690
Electronics Letters > 1991 > 27 > 18 > 1671 - 1673
Electronics Letters > 1992 > 28 > 6 > 537 - 539
Electronics Letters > 1992 > 28 > 7 > 689 - 690