Source: wikibot/discoveries-by-friedrich-tietjen
= Discoveries by Friedrich Tietjen
{wiki=Category:Discoveries_by_Friedrich_Tietjen}
"Discoveries" by Friedrich Tietjen is not widely known or recognized in mainstream literature or academic circles, as of my last update. It's possible that it is a lesser-known work or a recent publication that gained attention after my last training cut-off.