Maser

https://www.wikidata.org/wiki/Q487875

Field Hierarchy

Parent
Physics 33M papers	Optics 8.1M papers	Astronomy 2.7M papers	Astrophysics 1.3M papers
Current
Maser 13.9k papers
Child
Hydrogen maser 1,413 papers		Megamaser 688 papers

Trends

Notes

History