# Definition and Proposed Realization of the International Height Reference System (IHRS)

> Research article (Surveys in Geophysics, 2017) · cited 106× · AI/ML

**Wikidata**: [openalex:W2594228992](https://www.wikidata.org/wiki/openalex:W2594228992)  
**Source**: https://4ort.xyz/entity/definition-and-proposed-realization-of-the-international-height-reference-system-ihrs