File:Ridges icon.pngDescriptionRidges icon.png English: icon of a mushroom with ridges Svenska: icon för hymeniumtypen: Vecklad Date January 2006 Source Created by user debivort
File:OSTI logo.pngDescriptionOSTI logo.png Icon containing acronym for the Office of Scientific and Technical Information Date 1 October 2005 Source http://www.osti.gov