Ekstrom, L. B., Roelfsema, P. R., Arsenault, J. T., Kolster, H., & Vanduffel, W. (2009). Modulation of the Contrast Response Function by Electrical Microstimulation of the Macaque Frontal Eye Field. Society for Neuroscience.

Ekstrom, Leeland B., Pieter R. Roelfsema, John T. Arsenault, Hauke Kolster, ja Wim Vanduffel. Modulation of the Contrast Response Function By Electrical Microstimulation of the Macaque Frontal Eye Field. Society for Neuroscience, 2009.

Ekstrom, Leeland B., et al. Modulation of the Contrast Response Function By Electrical Microstimulation of the Macaque Frontal Eye Field. Society for Neuroscience, 2009.