geokb

(Q41404)

Revision as of 17:10, 24 October 2023 by Sky (talk | contribs) (‎Changed an Item: Updated rock class item with Geoscience Ontology GSRM subclass data)

Statements

subclass of
coal
6 references
knowledge source
The Geoscience Ontology reference
reference statement
Economic commission for Europe, committee on Sustainable Energy- United Nations (ECE-UN), 1998, International Classification of in-Seam Coals: Energy 19, 41 pp
reference URL
http://en.wikipedia.org/wiki/Coal
reference statement
Eberhard Lindner
reference statement
Chemie für Ingenieure
reference statement
Lindner Verlag Karlsruhe, S. 258
 
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