D. P. C. Thackeray

Light Sources for High-Speed Photography

D. P. C. Thackeray, 1962 .

Communications: When tubes beat crystals: Early radio detectors: Although crystals were superior, tubes won out ¿ Until the solid-state revolution reversed tradition with a different kind of `crystal¿ detector

D. P. C. Thackeray, 1983 .

When tubes beat crystals: early radio detectors

D. P. C. Thackeray, 1983, IEEE Spectrum.