Koch, Iring Department Psychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
https://link.springer.com/article/10.3758/BF03193440 (Verlagsversion)
Proctor, R., Koch, I., & Vu, K. (2006). Effects of precuing horizontal and vertical dimensions on right-left prevalence. Memory & Cognition, 34, 949-958. doi:10.3758/BF03193440.