Electronics Letters
Electronics Letters > 1989 > 25 > 13 > 846 - 847
Electronics Letters > 1992 > 28 > 3 > 264 - 266
Electronics Letters > 1992 > 28 > 5 > 458 - 460
Electronics Letters > 1989 > 25 > 13 > 846 - 847
Electronics Letters > 1992 > 28 > 3 > 264 - 266
Electronics Letters > 1992 > 28 > 5 > 458 - 460