About: http://webisa.webdatacommons.org/393547474

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	Furthermore, different types of light sources may be provided at the same time thereby providing a choice of illumination wavelengths.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk