About: http://webisa.webdatacommons.org/357520029

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	Note that ??0 = 0 is co-incident with primary node np = 0 from Equation (16).The cosines are identical for ns?? ?? ??/2, where ?? is a phase shift and ns is an integer related to secondary nodes, i.e.,:
http://www.w3.org/ns/prov#wasQuotedFrom	mdpi.com