About: http://webisa.webdatacommons.org/277489316

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	In 1950 consider what today is standard that was optional, such as power windows, and air conditioning which came out in the mid 1950s.
http://www.w3.org/ns/prov#wasQuotedFrom	aei.org