Electronics Letters
Electronics Letters > 1975 > 11 > 4 > 89 - 90
Electronics Letters > 1975 > 11 > 5 > 101 - 102
Electronics Letters > 1975 > 11 > 19 > 454 - 456
Electronics Letters > 1975 > 11 > 21 > 518 - 519
Electronics Letters > 1975 > 11 > 21 > 504 - 505
Electronics Letters > 1975 > 11 > 25 > 615 - 617