Eccles, W. H. (1912). „On the Diurnal Variations of the Electric Waves Occurring in Nature, and on the Propagation of Electric Waves Round the Bend of the Earth”. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 87 (593): 79. Bibcode:1912RSPSA..87...79E. doi:10.1098/rspa.1912.0061.
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Lowe, Doug (2013). „Electronics Components: Diodes”. Electronics All-In-One Desk Reference For Dummies. John Wiley & Sons. Архивирано из оригинала 16. 01. 2013. г. Приступљено 4. 01. 2013.
Eccles, W. H. (1912). „On the Diurnal Variations of the Electric Waves Occurring in Nature, and on the Propagation of Electric Waves Round the Bend of the Earth”. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences. 87 (593): 79. Bibcode:1912RSPSA..87...79E. doi:10.1098/rspa.1912.0061.