- Type: Number
- Has preferred property label"Preferred property label" is a declarative predefined property to specify a <a class="external text" target="_blank" href="https://www.semantic-mediawiki.org/wiki/Help:Preferred_property_label">preferred property label</a> and is provided by <a class="external text" target="_blank" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
- "Esty 2011 – formular 1" cannot be used as preferred label because the language "en" is already assigned to the "Esty 2011 – formula 1" label.
- Has property description"Property description" is a predefined property that allows to describe a property in context of a language and is provided by <a class="external text" target="_blank" href="https://www.semantic-mediawiki.org/wiki/Help:Special_properties">Semantic MediaWiki</a>.
- Number of coins according to Esty, 2011, formular 1. (en)
