About: http://webisa.webdatacommons.org/237350254

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	Parallel viewing takes more practice and is restricted to viewing left and right images, each no more than about 2?? inches wide, and printed side by side on a card for example or in a book., to form a stereo pair.
http://www.w3.org/ns/prov#wasQuotedFrom	3dfocus.co.uk