Electronics Letters
Electronics Letters > 1993 > 29 > 9 > 814 - 816
Electronics Letters > 1993 > 29 > 9 > 810 - 811
Electronics Letters > 1993 > 29 > 9 > 771 - 772
Electronics Letters > 1993 > 29 > 9 > 805 - 807
Electronics Letters > 1993 > 29 > 9 > 739 - 741