Upphovsman: Wikimediauser Stannered. Licens: Creative Commons Attribution-Share Alike 3.0. URL: http://en.wikipedia.org/wiki/File:SpringsInSeries.svg
Upphovsman: Wikimediauser Stannered. Licens: Creative Commons Attribution-Share Alike 3.0. URL: http://en.wikipedia.org/wiki/File:SpringsInSeries.svg