<http://webisa.webdatacommons.org/prov/516197994>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/64901314> .
<http://webisa.webdatacommons.org/64901314>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/64901314>	<http://www.w3.org/ns/prov#value>	"where ??m is a metal work function and ??f is a surface potential defined by the surface concentration of impurities." .
<http://webisa.webdatacommons.org/64901314>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .