skos:altLabel | - Kirchhoff's law
- Kirchhoff
- Kirchhoff's Laws
- G. Kirchhoff
- G. R. Kirchhoff
- Gustav Kirchhoff
- Gustav Robert Kirchhoff
- Kirchhoff's Law of Thermochemistry
- Kirchhoff's law of thermochemistry
- Kirchhoff's laws of spectroscopy
- Kirchhoff's three laws
- Kirchhoff, Gustav Robert
- Kirchhoff’s
- R. Kirchhoff
- three laws of spectroscopy
- Gustav_Kirchhoff#Kirchhoff.27s_three_laws_of_spectroscopy
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