About: http://webisa.webdatacommons.org/211908588

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	Sheet 18 may have any combination of tethers 37 and retaining tethers, or may lack one or more types of tethers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es