About: http://webisa.webdatacommons.org/94384808

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	These glasses contain up to four elements, often including arsenic and/or tellurium, and exhibit a current--controlled negative resistance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es