To act or not to act. Neural correlates of executive control of learned motor behavior. - Friedhelm Hummel; Ralf Saur; Simone Lasogga; Christian Plewnia; Michael Erb; Dirk Wildgruber; Wolfgang Grodd; Christian Gerloff (NeuroImage, 2004)

Monitoring Coordination during Bimanual Movements: Where Is the Mastermind? - Julie Duque; Marco Davare; Ludovic Delaunay; Benvenuto Jacob; Ralf Saur; Friedhelm Hummel; Laurent Hermoye; Bruno Rossion; Etienne Olivier (J. Cogn. Neurosci., 2010)