Malghem, J., & Maldague, B. (1982). [Radiophotogoniometry - a Less Expensive Method of Measuring Mechanical Axis of the Lower-limbs]. Journal de Radiologie : revue d’imagerie medicale, diagnostique et therapeutique, 63(12), 747-751. https://hdl.handle.net/2078.5/143942 (Original work published 1982)