About: http://webisa.webdatacommons.org/296552597

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	For example, a birefringent material other than liquid crystals may be substituted for the layers 12, 12', 14, 14'.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au