This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Jules Pean crop. en Jules Pean pl Jules Pean JulesPean UTC JulesPean Gerschel derivative work Materialscientist talk PDold Original upload log This image is derivative work of the following images File JulesPean with PDold Filip em Bytes no en Jules Pean pl Jules Pean bium univparis fr BIUM Gerschel public domain due to