Polski Jubiler 1/2024
ABC of Amber Laboratory of the International Amber Association
Album "Baltic amber. Nature. History. Culture"
Polish presence at Kahraman 2024
Baltic Amber: A treasure from Poland
Bernstein Magazin
Sandbernstein aus dem Tagebau Schlabendorf in der Lausitz - eine Spurensuche
"Sand amber from the Schlabendorf open-pit mine in Lusatia – looking for clues"
Christel Hoffeins, Christian Otto, Hans Werner Hoffeins, Ewa Wagner-Wysiecka & Max Kobbert