About: http://webisa.webdatacommons.org/367472507

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	The B53-Y2 was a clean version first produced in June 1964; it weighed 3860 kg and was 3.7 meters long.[5, 10] The yield of the Y2 version is unknown, but was probably lower than 9 mt.
http://www.w3.org/ns/prov#wasQuotedFrom	johnstonsarchive.net