https://socratic.org/questions/how-did-rutherford-s-gold-foil-experiment-disprove-the-plum-pudding-model

http://www.biography.com/people/ernest-rutherford-39099#synopsis

http://myweb.usf.edu/~mhight/goldfoil.html

http://www.kentchemistry.com/links/AtomicStructure/RutherfordTutorial.htm

https://socratic.org/questions/how-did-rutherford-know-that-the-nucleus-was-positively-charged

SOURCES