http://book.klll.cc/ebooks/author/36527.opds2025-09-08T12:48:15ZBooks by Silberstein, Ludwik (sorted by popularity)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-09-08T12:48:15Zhttps://en.wikipedia.org/wiki/Ludwik_SilbersteinSee also: en.wikipedia2025-09-08T12:48:15Zhttps://book.klll.cc/ebooks/33663.opdsThe Origin and Development of the Quantum TheoryMax Planck