About: http://webisa.webdatacommons.org/49012011

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	As previously stated, the mathematical equation for z at the Talbot distance is z=2nL2/??, where n is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com