Bülthoff, I Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
https://www.nature.com/articles/379031a0.pdf (Publisher version)
Kersten, D., Knill, D., Mamassian, P., & Bülthoff, I. (1996). Illusory motion from shadows. Nature, 379(6560), 31. doi:10.1038/379031a0.