The Origin and Development of the Quantum Theory
Planck, Max, 1858-1947
The Origin and Development of the Quantum Theory [electronic resource] / Max Planck - Project Gutenberg, 2010 - Project Gutenberg 33663 .
Public domain in the USA.
Electronic text
The Origin and Development of the Quantum Theory [electronic resource] / Max Planck - Project Gutenberg, 2010 - Project Gutenberg 33663 .
Public domain in the USA.
Electronic text