About: http://webisa.webdatacommons.org/397697971

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	I lay out the case, including the calculations, at my post ???The Steel Greenhouse???.
http://www.w3.org/ns/prov#wasQuotedFrom	wattsupwiththat.com