<http://webisa.webdatacommons.org/prov/465323336>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/349390964> .
<http://webisa.webdatacommons.org/349390964>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<researchgate.net> .
<http://webisa.webdatacommons.org/349390964>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/349390964>	<http://www.w3.org/ns/prov#value>	"Lead isotopes and metals including Pb, Al, Fe, and Ti were measured." .