5003155753
octagons (300055635) 'is basis of' octagonal (300263824);
changeNote
5003155753
octagons (300055635) 'is basis of' octagonal (300263824);
description
octagons (300055635) 'is basis of' octagonal (300263824);
type
relation added
startedAtTime
2012-02-02T08:27:34