Anne K. Rau, Kristina Moll, Margaret J. Snowling, Karin Landerl (2015) Effects of orthographic consistency on eye movement behavior: German and English children and adults process the same words differently. Journal of Experimental Child Psychology, 130, 92-105.
Geldmacher, D.S. (1996) Effect of stimulus number and target-to-distractor ratio on the performance of random array letter cancellation tasks. Brain and Cognition, 32, 405-415.