# Determination of Istanbul geoid using GNSS/levelling and valley cross levelling data

> Research article (Geodesy and Geodynamics, 2020) · cited 28× · AI/ML

**Wikidata**: [openalex:W3012200846](https://www.wikidata.org/wiki/openalex:W3012200846)  
**Source**: https://4ort.xyz/entity/determination-of-istanbul-geoid-using-gnss-levelling-and-valley-cross-levelling-data