is a derivative work of the following images: File:Electron_shell_084_Polonium.svg licensed with Cc-by-sa-2.0-uk 2006-04-18T12:01:45Z File Upload Bot...
Attribution-Share Alike 2.0 uktruetrue Derivative works of this file: Capa electrónica 084 Polonio.svg English determination method or standard: SHA-1...
