Macfarlane, Nicholas, and Michael SA Graziano. 2009. “Diversity of Grip in Macaca Mulatta”. Experimental Brain Research 197 (3): 255-68. doi:10.1007/s00221-009-1909-z. Reference Link
Graziano, Michael SA, Charlotte Taylor, and Tirin Moore. 2002. “Complex Movements Evoked by Microstimulation of Precentral Cortex”. Neuron 34 (5): 841-51. Referenced from www.ncbi.nlm.nih.gov: Complex movements evoked by microstimulation of precentral cortex. Reference Link
Meier, Jeffrey, Tyson Aflalo, Sabine Kastner, and Michael SA Graziano. 2008. “Complex Organization of Human Primary Motor Cortex: A High-Resolution FMRI Study”. Journal of Neurophysiology 100 (4): 1800-1812. doi:10.1152/jn.90531.2008. Reference Link