C. Russo Krauss, From Empiriocriticism to Relativistic Positivism. Joseph Petzoldt between Ernst Mach’s and Richard Avenarius’ Legacy and the Debate about Einstein’s Relativity, vol. 16. SHARE Books, 2020. Accessed: Oct. 09, 2026. Available: https://www.fedoabooks.unina.it/index.php/fedoapress/catalog/book/181