REFERENCES
http://improbable.org/era/physics/atom.html
http://www.werbeka.com/idrott/test2/1900e.htm
http://millikan.nbaoh.com/1111.htm
http://www.spiritus-temporis.com/1913/
http://demos.diveintomath.com/Chemistry/Chemwb5.pdf
http://www.broadeducation.com/htmlDemos/AbsorbChem/HistoryAtom/page.htm
http://www.iun.edu/~cpanhd/C101webnotes/modern-atomic-theory/modern-atomic-theory.html
http://www.britannica.com/EBchecked/topic/41549/atom/48357/Models-of-atomic-structure