About: http://webisa.webdatacommons.org/312575494

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	Photovoltaic systems hold great promise, but in the short run we must emphasize research and development, including fundamental work on the physical properties of these systems...
http://www.w3.org/ns/prov#wasQuotedFrom	procon.org