About: http://webisa.webdatacommons.org/263202852

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. 18 is a schematic representation of the general case of FIG. 17 extended to operate in two dimensions, on two wavelengths, by using non symmetrical relationships in a generic grating;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com