Αρχείο:Ni-TableImage.svgoriginal. https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue English Nickel table image
Αρχείο:Ni-TableImage.pngThis image was copied from en.wikipedia.org. The original description was: Nickel table image created for Wikipedia by Schnee on June 25 2003, 10:32 UTC