1. Diagnostische Anwendungmoglichkeiten des Ultraschalls in der physiologischen Methodik;Keidel;Nuovo Ann.,1950
2. The use of ultrasonic reflectoscope for the continuous recording of movements of heart walls;Edler;Kungl. Fysiogr. Sallsk. Lund Förhandl,1954
3. Ultrasoundcardiography;Edler;Acta med. scandinav.,1961
4. Ultrasonic cardiogram in mitral stenosis: Preliminary communication;Edler;Acta med. scandinav.,1957
5. Diagnostic value of ultrasonic cardiography;Effert;Brit. J. Radiol.,1963