Planck, Max (1897). Vorlesungen über Thermodynamik. Leipzig: Verlag Von Veit & Company. Archived from the original on 24 June 2012. Retrieved 27 June 2012. English translation: Planck, Max (1903). Treatise on Thermodynamics. London: Longmans, Green, and Company. Archived from the original on 20 February 2012. Retrieved 27 June 2012. Treatise on Thermodynamics.
Planck, Max (1897). Vorlesungen über Thermodynamik. Leipzig: Verlag Von Veit & Company. Archived from the original on 24 June 2012. Retrieved 27 June 2012. English translation: Planck, Max (1903). Treatise on Thermodynamics. London: Longmans, Green, and Company. Archived from the original on 20 February 2012. Retrieved 27 June 2012. Treatise on Thermodynamics.
For a solid approach to the complexity of Planck's intellectual motivations for the quantum, for his reluctant acceptance of its implications, see Helge Kragh,
Max Planck: the reluctant revolutionaryArchived 5 November 2018 at the Wayback Machine, Physics World. December 2000.
Planck, Max (1897). Vorlesungen über Thermodynamik. Leipzig: Verlag Von Veit & Company. Archived from the original on 24 June 2012. Retrieved 27 June 2012. English translation: Planck, Max (1903). Treatise on Thermodynamics. London: Longmans, Green, and Company. Archived from the original on 20 February 2012. Retrieved 27 June 2012. Treatise on Thermodynamics.
"Max Planck – Biographical". Nobelprize.org. Nobel Prize Organisation. Archived from the original on 26 February 2017. Retrieved 26 February 2017.
For a solid approach to the complexity of Planck's intellectual motivations for the quantum, for his reluctant acceptance of its implications, see Helge Kragh,
Max Planck: the reluctant revolutionaryArchived 5 November 2018 at the Wayback Machine, Physics World. December 2000.