Primary energy

https://www.wikidata.org/wiki/Q1059714

Field Hierarchy

Parent
Biology 36.7M papers	Physics 33.6M papers	Engineering 25.6M papers	Mathematics 22.2M papers
Quantum mechanics 13.6M papers	Ecology 8.3M papers	Statistics 6.3M papers	Electrical engineering 4.9M papers
Energy (signal processing) 582k papers		Renewable energy 310k papers
Current
Primary energy 5,202 papers
Child

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History