About: http://webisa.webdatacommons.org/75070184

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	This surface is a sphere to which has been added a height he is proportional to sin(theta),
http://www.w3.org/ns/prov#wasQuotedFrom	demon.co.uk