About: http://webisa.webdatacommons.org/233567503

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The earliest force fields were only for the atoms C, H, O and N and gradually added extra atoms, atom types and functional groups.
http://www.w3.org/ns/prov#wasQuotedFrom	wikibooks.org