# The ‘algebra of evolution’: the Robertson–Price identity and viability selection for body mass in a wild bird population

> Research article (Philosophical Transactions of the Royal Society B Biological Sciences, 2020) · cited 17× · AI/ML

**Wikidata**: [openalex:W3010226549](https://www.wikidata.org/wiki/openalex:W3010226549)  
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