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). “Underground Built Heritage”: A Theoretical Approach for the Definition of an International Class. Retrieved May 24, 2026, from https://4ort.xyz/entity/underground-built-heritage-a-theoretical-approach-for-the-definition-of-an-international-class
MLA““Underground Built Heritage”: A Theoretical Approach for the Definition of an International Class.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/underground-built-heritage-a-theoretical-approach-for-the-definition-of-an-international-class.
BibTeX@misc{4ortxyz_underground-built-heritage-a-theoretical-approach-for-the-definition-of-an-international-class_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{“Underground Built Heritage”: A Theoretical Approach for the Definition of an International Class}}, year = {2026}, url = {https://4ort.xyz/entity/underground-built-heritage-a-theoretical-approach-for-the-definition-of-an-international-class}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): “Underground Built Heritage”: A Theoretical Approach for the Definition of an International Class — https://4ort.xyz/entity/underground-built-heritage-a-theoretical-approach-for-the-definition-of-an-international-class (retrieved 2026-05-24)
