1. : Injuries of the Cervical Spine. London, Excerpta Medica, 1971 PP 3-13
2. Atlanto-axial arthrodesis by the wedge compression method.
3. The Biomechanical Stability of the Human Lumbar Spine: Experimental and Theoretical Investigations [Ph. D. Dissertation]. New Haven, Connecticut: Yale University, 1989: 48-87
4. : De curvas Elasticis. Lasanne and Geneva, 1944