Martinas, K. and Grandpierre, A. 2009, Natural Thermodynamics. Kopenhagen, June 22–24, 2009, Conceptual Thermodynamics, The Joint European Thermodynamics Conference, Copenhagen "Conceptual thermodynamics | jetc10.fys.ku.dk". Archived from the original on 2015-06-02. Retrieved 2015-06-01.
Martinas, K. and Grandpierre, A. 2009, Natural Thermodynamics. Kopenhagen, June 22–24, 2009, Conceptual Thermodynamics, The Joint European Thermodynamics Conference, Copenhagen "Conceptual thermodynamics | jetc10.fys.ku.dk". Archived from the original on 2015-06-02. Retrieved 2015-06-01.
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A photo of Lajos Kossuth dedicated to Károly Grandpierre. wikimedia >>