1. Ultrasound cardiography;Edler;Supplement to volume 170 of Acta Medica Scandinavica,1961
2. Applications of ultrasound in cardiology and cardiovascular physiology;Joyner;Progress in Cardiovascular Diseases,1963
3. Der derseitige Stand der Ultraschallkardiographie;Effert;Archiv fur Kreislaufforschung,1959
4. The continuous registration of movement of heart structure by the reflectoscope techniques—methods of registration;Hertz,1965