This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Cd Niederdruck Spektrum. NiederdruckSpektrum von Cadmium own original text selbst gezeichnet Herbertweidner Herbertweidner Original upload log de Leyo CommonsHelper page de CdNiederdruckSpektrum Herbertweidner bytes no Andere Versionen Atomic spectra Cadmium Diagrams in German
Page 2023 Free-images.com. All images are Public Domain