About: http://webisa.webdatacommons.org/340984795

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	Recently, the research has become more detailed and sophisticated, and especially has involved the use of various isotopic systems.
http://www.w3.org/ns/prov#wasQuotedFrom	agu.org