Wertheimer, Max (1912). "Experimentelle Studien über das Sehen von Bewegung"Archivado el 23 de noviembre de 2018 en Wayback Machine.. [Experimental studies on the seeing of motion] (PDF). Zeitschrift für Psychologie (in German). 61: 161-265. Available in translation as Wertheimer, Max (2012). "Experimental Studies on Seeing Motion". In Spillman, Lothar (ed.). On Perceived Motion and Figural Organization. Michael Wertheimer, K. W. Watkins (trans.). Cambridge, MA: MIT. Retrieved 15 October 2019.
Wertheimer, Max (1912). "Experimentelle Studien über das Sehen von Bewegung"Archivado el 23 de noviembre de 2018 en Wayback Machine.. [Experimental studies on the seeing of motion] (PDF). Zeitschrift für Psychologie (in German). 61: 161-265. Available in translation as Wertheimer, Max (2012). "Experimental Studies on Seeing Motion". In Spillman, Lothar (ed.). On Perceived Motion and Figural Organization. Michael Wertheimer, K. W. Watkins (trans.). Cambridge, MA: MIT. Retrieved 15 October 2019.
Wertheimer, Max (1912). "Experimentelle Studien über das Sehen von Bewegung"Archivado el 23 de noviembre de 2018 en Wayback Machine.. [Experimental studies on the seeing of motion] (PDF). Zeitschrift für Psychologie (in German). 61: 161-265. Available in translation as Wertheimer, Max (2012). "Experimental Studies on Seeing Motion". In Spillman, Lothar (ed.). On Perceived Motion and Figural Organization. Michael Wertheimer, K. W. Watkins (trans.). Cambridge, MA: MIT. Retrieved 15 October 2019.