Project Gutenberg 2024-03-01 Public domain in the USA. 47 Bohr, Niels 1885 1962 Bohr, N. (Niels) Bohr, Niels Henrik David On the effect of electric and magnetic fields on spectral lines $aLondon :$bTaylor & Francis, $c1914. Laura Natal Rodrigues (Images generously made available by The Internet Archive.) https://archive.org/details/londonedinburg6271914lond 20240227034036bohr 1914 UK en Spectrum analysis Atomic spectra Electric fields Magnetic fields QC Text Browsing: Science - Physics Browsing: Science - General 107852 2024-08-30T06:14:13.832421 text/html 78125 2024-03-01T14:20:46 text/html 537599 2024-08-30T06:14:19.135430 application/epub+zip 534888 2024-08-30T06:14:15.592441 application/epub+zip 94739 2024-08-30T06:14:14.643434 application/epub+zip 527018 2024-08-30T06:14:23.548365 application/x-mobipocket-ebook 431437 2024-08-30T06:14:18.452423 application/x-mobipocket-ebook 13520 2024-08-30T06:14:23.688372 application/rdf+xml 23350 2024-08-30T06:14:15.011412 image/jpeg 4663 2024-08-30T06:14:14.826459 image/jpeg 282058 2024-08-30T06:14:14.048455 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog en.wikipedia