About: http://webisa.webdatacommons.org/58655124

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	Constantly recurring changes in solar activity, wind and sea currants, and other natural phenomena appear to be the determinative factors in the cyclical variations.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com