About: http://webisa.webdatacommons.org/96691365

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	Most preferably, the materials employed are those which have the formula wherein n is an integer in the range of 3 to 17 and prefera'bly 7 to 11.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es