File:Hjultra.svg is a vector version of this file. It should be used in place of this JPG file. File:Hjultra.jpg → File:Hjultra.svg For more information...
DescriptionHjultra.svg English: A completed Hjelmslev disk representing two ultraparallel lines Date 31 October 2006 Source based on Image:Hjultra.jpg Author...
