Pigarev, Ivan, Hans-Christoph Nothdurft, and Sabine Kastner. (2002) 2002. “Neurons With Radial Receptive Fields in Monkey Area V4A: Evidence of a Subdivision of Prelunate Gyrus Based on Neuronal Response Properties.”. Exp Brain Res 145: 199-206. doi:10.1007/s00221-002-1112-y.

Nothdurft, Hans-Christoph, Ivan Pigarev, and Sabine Kastner. (2009) 2009. “Overt and Covert Visual Search in Primates: Reaction Times and Gaze Shift Strategies.”. J Integr Neurosci 8: 137-74.