Journal of Vision. 2009; 9(8):515. https://doi.org/10.1167/9.8.515

Journal of Vision. 2007; 7(9):617. https://doi.org/10.1167/7.9.617

Journal of Vision. 2006; 6(6):241. https://doi.org/10.1167/6.6.241

Journal of Vision. 2005; 5(8):276. https://doi.org/10.1167/5.8.276

Journal of Vision. 2005; 5(5):4. https://doi.org/10.1167/5.5.4

Journal of Vision. 2003; 3(12):35. https://doi.org/10.1167/3.12.35