http://book.klll.cc/ebooks/subject/39253.opds 2025-11-15T06:49:35Z Books about Alpha rays Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T06:49:35Z https://book.klll.cc/ebooks/71088.opds The chemical nature of the alpha particles from radioactive substances Ernest Rutherford