# Documentary data and the study of past droughts: a global state of the art

> Research article (Climate of the past, 2018) · cited 146× · AI/ML

**Wikidata**: [openalex:W2905015599](https://www.wikidata.org/wiki/openalex:W2905015599)  
**Source**: https://4ort.xyz/entity/documentary-data-and-the-study-of-past-droughts-a-global-state-of-the-art