Quantum redactiones paginae "Radians (unitas)" differant

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* [https://www.britannica.com/science/radian Britannica] {{ling|Anglice}}
* [https://bigenc.ru/mathematics/text/3488864 Encyclopaedia Russica Magna] {{ling|Russice}}
 
 
 
{{Unitates SI}}
 
[[Categoria:Unitates mensurae]]
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