1. A Science Odyssey. Niels Bohr. 3 May 2001

    <http://www.pbs.org/wgbh/aso/databank/entries/bpbohr.html>.

2. American Institute of Physics. Niels Henrik David Bohr (1885-1962). 6 May 2001

    <http://www.aip.org/history/esva/exhibits/bohr.htm>.

3. Baer, Frank. Physics Quotes. 5 May 2001

    <http://www.xs4all.ch/~jcdverha/scijokes/2_2.html#Bohr_2>.

4. Chemistry Societies Network, The. Bohrium. 5 May 2001

    <http://chemsoc.org/viselements/pages/bohrium.html>.

5. Illinois State University Department of Chemistry. Development of Current Atomic Theory. 13 May 2001

    <http://www.che.ilstu.edu/genchemhelphomepage/topicreview/bp/ch6/bohr.html>.

6. Institute of Physics. Niels Bohr. 3 May 2001

    <http://www.phy.bg.ac.yu/web_projects/giants/bohr.html>.

7. Klein, Martin J. Bohr, Niels. 4 May 2001

    <http://www.britannica.com/eb/article?eu=108661&tocid=59277>.

8. Microsoft Encarta Online Encyclopedia 2001. Bohr, Niels Henrik David. 3 May 2001

    <http://encarta.msn.com/find/Concise.asp?ti=06316000>.

9. O’Connor, J J, and E F Robertson. Niels Henrik David Bohr. 4 May 2001

    <http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Bohr_Niels.html>.

10. Willden, Jeff. Bohr’s Atomic Model. 11 May 2001

    <http://online.weber.edu/shocked/AtomicModel.html>.

11. Yale University. Niels Bohr. 3 May 2001

    <http:www.dmca.yale.edu/interactiveartspace/bohr.html>.