Rare earth

https://www.wikidata.org/wiki/Q7294540

Field Hierarchy

Parent
Chemistry 29.4M papers	Materials science 19M papers	Geology 10.6M papers	Metallurgy 5M papers
Mineralogy 868k papers		Earth science 213k papers
Current
Rare earth 48.1k papers
Child
Rare-earth element 7,503 papers

Trends

Notes

History