<http://webisa.webdatacommons.org/prov/160641524>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/286892060> .
<http://webisa.webdatacommons.org/286892060>	<http://www.w3.org/ns/prov#value>	"It also depends on determining a broad array of factors, including the price of materials, labour, the writing ..." .
<http://webisa.webdatacommons.org/286892060>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/286892060>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<phys.org> .
<http://webisa.webdatacommons.org/prov/385805528>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/286892060> .