About: http://webisa.webdatacommons.org/313892124

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	In the 1960s, for instance, thinkers such as the economist and statistician Colin Clark (1905-1989) felt free to defend the view that the Earth could easily support 50 billion people.
http://www.w3.org/ns/prov#wasQuotedFrom	uncommondescent.com