<http://webisa.webdatacommons.org/353848336>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/353848336>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/353848336>	<http://www.w3.org/ns/prov#value>	"Combinations of these metals and their oxides, sulfides or other compounds are known to those experienced in these arts." .
<http://webisa.webdatacommons.org/prov/47401523>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/353848336> .