Hu, Xiumian <br/><br/>
Knowledge System, Ontology, and Knowledge Graph of the<br/>Deep-Time Digital Earth (DDE): Progress and Perspective 

 - Amsterdam  Springer  October 2023 
 - p. 1323-1327  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS DE LA TIERRA<br/>ONTOLOGIA