<http://webisa.webdatacommons.org/prov/50475634>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/2233013> .
<http://webisa.webdatacommons.org/2233013>	<http://www.w3.org/ns/prov#value>	"For example, a birefringent element consisting of a material such as calcite, rutile, lithium niobate, YVO4-based crystals, and the like could be used as the beam displacers in the present invention." .
<http://webisa.webdatacommons.org/2233013>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/2233013>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .