http://www.gutenberg.org/ebooks/subject/27460.opds 2024-11-06T05:36:10Z Books about Spectrum analysis (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-06T05:36:10Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/27460.opds?sort_order=title Sort Alphabetically by Title 2024-11-06T05:36:10Z https://sendtokindle.compellingsciencefiction.com/ebooks/subject/27460.opds?sort_order=release_date Sort by Release Date 2024-11-06T05:36:10Z https://sendtokindle.compellingsciencefiction.com/ebooks/47464.opds The Theory of Spectra and Atomic Constitution: Three Essays Niels Bohr 2024-11-06T05:36:10Z https://sendtokindle.compellingsciencefiction.com/ebooks/47167.opds On the Quantum Theory of Line-Spectra, Part 1 and 2 Niels Bohr 2024-11-06T05:36:10Z https://sendtokindle.compellingsciencefiction.com/ebooks/73082.opds On the effect of electric and magnetic fields on spectral lines Niels Bohr