Flash T,Hogan N.The coordination of arm movements: an experimentally confirmed mathematical model.[J].The Journal of neuroscience : the official journal of the Society for Neuroscience,1985(7).
Georgopoulos A P,Kalaska J F,Massey J T.Spatial trajectories and reaction times of aimed movements: effects of practice, uncertainty, and change in target location.[J].Journal of neurophysiology,1981(4).