Computer artwork of a close-up of the periodic table focussed on the chemical elements silver (Ag=Argentum) and gold (Au=Aurum). | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Pasieka, Alfred |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |