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). Development of copper price from July 1959 and predicted development till the end of year 2022. Retrieved May 24, 2026, from https://4ort.xyz/entity/development-of-copper-price-from-july-1959-and-predicted-development-till-the-end-of-year-2022
MLA“Development of copper price from July 1959 and predicted development till the end of year 2022.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/development-of-copper-price-from-july-1959-and-predicted-development-till-the-end-of-year-2022.
BibTeX@misc{4ortxyz_development-of-copper-price-from-july-1959-and-predicted-development-till-the-end-of-year-2022_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Development of copper price from July 1959 and predicted development till the end of year 2022}}, year = {2026}, url = {https://4ort.xyz/entity/development-of-copper-price-from-july-1959-and-predicted-development-till-the-end-of-year-2022}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Development of copper price from July 1959 and predicted development till the end of year 2022 — https://4ort.xyz/entity/development-of-copper-price-from-july-1959-and-predicted-development-till-the-end-of-year-2022 (retrieved 2026-05-24)
