Coalbed methane

https://www.wikidata.org/wiki/Q955546

Field Hierarchy

Parent
Chemistry 29.5M papers	Engineering 25.7M papers	Geography 13.4M papers	Organic chemistry 13.2M papers
History 8.1M papers	Archaeology 7M papers	Waste management 1.6M papers	Coal 293k papers
Coal mining 95.6k papers
Current
Coalbed methane 7,567 papers
Child
Coalbed methane extraction 0 papers	Coal permeability 0 papers	Coal matrix 0 papers

Trends

Notes

History