Graziano, Hu, and CG Gross. 1997. “Coding the Locations of Objects in the Dark”. Science 277 (5323): 239-41. Referenced from science.sciencemag.org: Coding the locations of objects in the dark. Reference Link
Igelström, Kajsa, Taylor Webb, Yin Kelly, and Michael SA Graziano. 2016. “Topographical Organization of Attentional, Social, and Memory Processes in the Human Temporoparietal Cortex”. ENeuro 3 (2). doi:10.1523/ENEURO.0060-16.2016. Reference Link