<http://webisa.webdatacommons.org/prov/472553883>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/7499432> .
<http://webisa.webdatacommons.org/7499432>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/7499432>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/7499432>	<http://www.w3.org/ns/prov#value>	"This equation indicates that the intensity of the reflected light, r, is a function only of r and k, where r and k are defined as above." .