Son, Seong Ho; Kwon, Dae Chol; Jeong, Do Won (2008). "Development of Free Nitric acid, Non-P Desmut Solution for Surface Treatment Aluminium Alloys". Materials Science Forum. 569: 309–312. doi:10.4028/www.scientific.net/MSF.569.309. S2CID95989141.
Biason Gomes, M. A.; Onofre, S.; Juanto, S.; de S. Bulhões, L. O. (1991). "Anodization of niobium in sulphuric acid media". Journal of Applied Electrochemistry. 21 (11): 1023–1026. doi:10.1007/BF01077589. S2CID95285286.
Son, Seong Ho; Kwon, Dae Chol; Jeong, Do Won (2008). "Development of Free Nitric acid, Non-P Desmut Solution for Surface Treatment Aluminium Alloys". Materials Science Forum. 569: 309–312. doi:10.4028/www.scientific.net/MSF.569.309. S2CID95989141.
Biason Gomes, M. A.; Onofre, S.; Juanto, S.; de S. Bulhões, L. O. (1991). "Anodization of niobium in sulphuric acid media". Journal of Applied Electrochemistry. 21 (11): 1023–1026. doi:10.1007/BF01077589. S2CID95285286.