About: http://webisa.webdatacommons.org/50195573

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	surface can include a material such as Li, Na, K, Rb, Be, Mg, Ca, Sr, Ba,
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org