used as reference constraint (Q21528959)
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type of constraint for Wikidata properties: used to specify that a property must only be used in references or instances of citation
- source-only constraint
- reference-only constraint
Language | Label | Description | Also known as |
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English | used as reference constraint |
type of constraint for Wikidata properties: used to specify that a property must only be used in references or instances of citation |
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Statements
Source (English)
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forrás (Hungarian)
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来源 (Simplified Chinese)
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Παραπομπή (Greek)
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vir (Slovenian)
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22 June 2018
用作P2302(属性约束)的值 (Simplified Chinese)
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use as value for P2302 (property constraint) (English)
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