CK-12-Physics - Intermediate

24.4. References http://www.ck12.org

24.4 References

1. Beltsville Agricultural Research Center. http://commons.wikimedia.org/wiki/File:Snow_crystals.png. Public
   Domain


2. Zachary Wilson. CK-12 Foundation.


3. CK-12 Foundation - Zachary Wilson, using image copyright Denis Cristo, 2014. http://www.shutterstock.com
   . Used under license from Shutterstock.com


4. User:Fastfission/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Plum_pudding_atom.svg.
   Public Domain


5. User:Fastfission/Wikimedia Commons. http://commons.wikimedia.org/wiki/File:Rutherford_gold_foil_expe
   riment_results.svg. Public Domain


6. CK-12 Foundation - Christopher Auyeung, using emission spectra by User:Merikanto/Wikimedia Commons
   and User:Adrignola/Wikimedia Commons (H). H spectrum: http://commons.wikimedia.org/wiki/File:Emiss
   ion_spectrum-H.svg. CC BY-NC-SA 3.0


7. User:Merikanto/Wikimedia Commons and User:Adrignola/Wikimedia Commons. http://commons.wikimedia
   .org/wiki/File:Emission_spectrum-H.svg. Public Domain


8. Zachary Wilson. CK-12 Foundation.


9. Zachary Wilson. CK-12 Foundation.


10. Zachary Wilson. CK-12 Foundation.