Hermann von Helmholtz: Forskelle mellem versioner

 

== Eksterne henvisninger ==

*''[http://www.bartleby.com/30/125.html On the Conservation of Force]'' Introduction to a Series of Lectures Delivered at Carlsruhe in the Winter of 1862–1863, English translation

*''[http://www.psych.upenn.edu/backuslab/helmholtz/index.html Treatise on Physiological Optics]'' 1910, three volumes. English translation by Optical Society of America (1924-5).

 

{{DEFAULTSORT:Helmholtz, Hermann}}

 

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