Russo Krauss C. 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 October 11, 2026. https://www.fedoabooks.unina.it/index.php/fedoapress/catalog/book/181