About: http://webisa.webdatacommons.org/238568285

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	Heald plotted hydrogen-to-carbon and oxygen-to-carbon ratios from observations of aerosols in the laboratory and in field experiments from such places as Mexico City, the Amazon and Los Angeles.
http://www.w3.org/ns/prov#wasQuotedFrom	sciencedaily.com