About: http://webisa.webdatacommons.org/258273285

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	FIG. 8 is a drawing to show locations of the light spots on an optical recording medium with the conventional diffraction grating;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com