http://book.klll.cc/ebooks/subject/20207.opds?sort_order=release_date 2025-08-15T13:58:08Z Books about Quantum theory (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-15T13:58:08Z https://book.klll.cc/ebooks/subject/20207.opds?sort_order=title Sort Alphabetically by Title 2025-08-15T13:58:08Z https://book.klll.cc/ebooks/subject/20207.opds?sort_order=downloads Sort by Popularity 2025-08-15T13:58:08Z https://book.klll.cc/ebooks/73087.opds On the quantum theory of radiation and the structure of the atom Niels Bohr 2025-08-15T13:58:08Z https://book.klll.cc/ebooks/72800.opds The quantum postulate and the recent development of atomic theory Niels Bohr 2025-08-15T13:58:08Z https://book.klll.cc/ebooks/47464.opds The Theory of Spectra and Atomic Constitution: Three Essays Niels Bohr 2025-08-15T13:58:08Z https://book.klll.cc/ebooks/47167.opds On the Quantum Theory of Line-Spectra, Part 1 and 2 Niels Bohr 2025-08-15T13:58:08Z https://book.klll.cc/ebooks/33663.opds The Origin and Development of the Quantum Theory Max Planck