About: http://webisa.webdatacommons.org/352689557

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	Van Allen and his guests, principally Chapman and Berkner, brought their ideas to several key meetings, including a July 1950 conference on the Physics of the Ionosphere (Bullis 1973).
http://www.w3.org/ns/prov#wasQuotedFrom	seismosoc.org