Foulsham, T., R. Dewhurst, M. Nyström, H. Jarodzka, R. Johansson, G. Underwood, and K. Holmqvist. “Comparing Scanpaths During Scene Encoding and Recognition: A Multi-Dimensional Approach”. Journal of Eye Movement Research, vol. 5, no. 4, Aug. 2012, doi:10.16910/jemr.5.4.3.