Superparamagnetism of Artificial Glasses Based on Rocks: Experimental Data and Theoretical Modeling oleh Petr Kharitonskii, Elena Sergienko, Andrey Ralin, Evgenii Setrov, Timur Sheidaev, Kamil Gareev, Alexander Ustinov, Nikita Zolotov, Svetlana Yanson, Danil Dubeshko