1. Physiologie des Mouvements;G-B Duchenne,1867
2. Opposition of the thumb;S Bunnell;J Bone Joint Surg Am,1938
3. The mechanism of rotation at the first carpo-metacarpal joint;RW Haines;J Anat,1944
4. :;EB Kaplan,1965
5. The participation of the metacarpophalangeal joint of the thumb in the act of opposition;EB Kaplan;Bull Hosp Jt Dis,1966