http://book.klll.cc/ebooks/author/56157.opds 2025-09-06T09:54:34Z Books by Klein, Joseph Frederic (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-06T09:54:34Z https://book.klll.cc/ebooks/71291.opds Physical significance of entropy or of the second law Joseph Frederic Klein