Electronics Letters
Electronics Letters > 1976 > 12 > 4 > 105 - 106
Electronics Letters > 1976 > 12 > 5 > 116 - 117
Electronics Letters > 1976 > 12 > 10 > 253 - 254
Electronics Letters > 1976 > 12 > 18 > 456 - 457
Electronics Letters > 1976 > 12 > 21 > 570 - 572