Liebscher, D. (2005). Geometry of time. Wiley-VCH.
Chicago Edition CitationLiebscher, Dierck-Ekkehard. Geometry of Time. Weinheim: Wiley-VCH, 2005.
Cita MLALiebscher, Dierck-Ekkehard. Geometry of Time. Wiley-VCH, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.