Bibliografy
Information sources:
Web bages I used are same as below.
Book sourge: Source books in the history of the sciences ( Edward H. Madden )
- picture 1/10 taken from website
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Kirchhoff.html
- picture 2/10 taken from website
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Neumann_Franz.html
- picture 3/10 taken from website
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Jacobi.html
- picture 4/10 is taken from website
http://chem.ch.huji.ac.il/~eugeniik/history/kirchhoff.htm
- picture 5/10 is taken from website
http://www.physics.uoguelph.ca/tutorials/ohm/Q.ohm.KCL.html
- picture 6/10 is taken fron website
http://www.physics.uoguelph.ca/tutorials/ohm/Q.ohm.KVL.html
- picture 7/10 is taken fron website
http://chem.ch.huji.ac.il/~eugeniik/history/kirchhoff.htm
- picture 8/10 is taken fron website
http://nautilus.fis.uc.pt/st2.5/scenes-e/biog/b0012.html
- picture 9/10 is taken fron website
http://astrosun2.astro.cornell.edu/academics/courses//astro201/kirchhoff.htm