Roßdeutscher, A. “German ’her, Hin, Hin- Und her’, and ’herum’: Meaning and Justification of Direction and Change of Direction in Perceptual Space”. Proceedings of Sinn Und Bedeutung, Vol. 13, no. 2, July 2019, pp. 439-54, doi:10.18148/sub/2009.v13i2.564.