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Niels Bohr - Wikipedia
Atomic structure - AQA Developing models of atoms - BBC
Niels Bohr | Biography, Education, Accomplishments, & Facts
Niels Bohr - Atomic Theory, Model & Quotes - Biography
Niels Bohr: Biography & Atomic Theory | Live Science
Niels Bohr - Biography, Facts and Pictures - Famous Scientists
Niels Bohr – Facts - NobelPrize.org
Niels Bohr – Biographical - NobelPrize.org
Bohr model | Description, Hydrogen, Development, & Facts
Niels Bohr | Biographies - Atomic Archive