Rudarski institut (Belgrade, Serbia). Rudarski glasnik: Bulletin of mines.
Lua i Stíl Chicago (17ú heag.)Rudarski institut (Belgrade, Serbia). Rudarski Glasnik: Bulletin of Mines. Beograd.
Lua MLA (8ú heag.)Rudarski institut (Belgrade, Serbia). Rudarski Glasnik: Bulletin of Mines.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.