File-3APeriods when NOT periodmidpoint.png
type: Ontology
creation date: 2026-08-12T13:00:54+02:00
imports: http://semantic-mediawiki.org/swivt/1.0

File:Periods when NOT periodmidpoint.png
type: Subject
wiki namespace: 6
wiki page content language: en
wiki page sort key: Periods when NOT periodmidpoint.png