# Relief visualization techniques using free and open source GIS tools

> Research article (Polish Cartographical Review, 2018) · cited 25× · AI/ML

**Wikidata**: [openalex:W2887126326](https://www.wikidata.org/wiki/openalex:W2887126326)  
**Source**: https://4ort.xyz/entity/relief-visualization-techniques-using-free-and-open-source-gis-tools