About: http://webisa.webdatacommons.org/6320181

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	(n is a natural number) diffracted beams and a second pair of ???mth-order (m is a natural number other than n) diffracted beams; and
http://www.w3.org/ns/prov#wasQuotedFrom	google.com