About: http://webisa.webdatacommons.org/239232592

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	In the cases of spacer filaments 42 and 52 of uniform diameter, such as are shown in FIGS. 2 and 3, respectively, the contact between the filament and the planar surface is a line.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr