<http://webisa.webdatacommons.org/446941951>	<http://www.w3.org/ns/prov#value>	"However, given the mass of the material, there are believed to be other substances not detectable by mass spectrometry or other means." .
<http://webisa.webdatacommons.org/446941951>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<wikidot.com> .
<http://webisa.webdatacommons.org/prov/68237367>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/446941951> .
<http://webisa.webdatacommons.org/446941951>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .