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<http://webisa.webdatacommons.org/260381109>	<http://www.w3.org/ns/prov#value>	"Since Roman times, it has been held that certain resources, such as air and water, could not" .
<http://webisa.webdatacommons.org/prov/291406411>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/260381109> .
<http://webisa.webdatacommons.org/260381109>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<lulu.com> .