00609cam a2200193 4500 792418646 TxAuBib 20230506120000.0 230505s2023||||||||||||||||||||||||eng|u 70708 Project Gutenberg PGUSA eng TxAuBib Holst, Helge. The atom and the Bohr theory of its structure [Gutenberg] / Helge Holst. Project Gutenberg, 2023. Project Gutenberg ; 70708 Public domain in the USA. Electronic text. Project Gutenberg ; 70708. http://www.gutenberg.org/ebooks/70708