Braun, Ferdinand (1874) "Ueber die Stromleitung durch Schwefelmetalle" (On current conduction in metal sulphides), Annalen der Physik und Chemie. 153: 556—563.Недостаје или је празан параметар |title= (помоћ).
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.
dummies.com
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.