1. Diagnosis of Congenital Heart Disease;Kjellberg,1958
2. Die Morphologie der Pulmonalstenose;Messen;Thoraxchirurgie,1959
3. The Anatomy of Congenital Pulmonary Stenosis;Brook,1957
4. Pathology of the Heart;Gould,1960
5. Angiocardiography of pulmonary stenosis;Jönsson;Acta cardiol.,1953