Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). Definition and Proposed Realization of the International Height Reference System (IHRS). Retrieved May 24, 2026, from https://4ort.xyz/entity/definition-and-proposed-realization-of-the-international-height-reference-system-ihrs
MLA“Definition and Proposed Realization of the International Height Reference System (IHRS).” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/definition-and-proposed-realization-of-the-international-height-reference-system-ihrs.
BibTeX@misc{4ortxyz_definition-and-proposed-realization-of-the-international-height-reference-system-ihrs_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Definition and Proposed Realization of the International Height Reference System (IHRS)}}, year = {2026}, url = {https://4ort.xyz/entity/definition-and-proposed-realization-of-the-international-height-reference-system-ihrs}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Definition and Proposed Realization of the International Height Reference System (IHRS) — https://4ort.xyz/entity/definition-and-proposed-realization-of-the-international-height-reference-system-ihrs (retrieved 2026-05-24)
