About: http://webisa.webdatacommons.org/99044589

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	Therefore, the only difference between the two types of sessions was the relationship between vergence and focal distances.
http://www.w3.org/ns/prov#wasQuotedFrom	arvojournals.org