About: http://webisa.webdatacommons.org/83558222

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	Isotopes such as carbon-14, uranium-234/238, lead-210, cesium-137 and beryllium-10 can be assessed (Cohen 2003; Ritchie and McHenry 1990; Zapata 2003; Bierman and Nicols 2004; Mabit et al. 2008).
http://www.w3.org/ns/prov#wasQuotedFrom	ec.gc.ca