About: http://webisa.webdatacommons.org/15448028

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	This can be released from radioactive isotopes of protactinium, lead and other species.
http://www.w3.org/ns/prov#wasQuotedFrom	unexplained-mysteries.com