1. Analyse des bruits du coeur;Rouanet;Paris thesis,1832
2. Cardiovascular sound in health and disease;McKusick,1958
3. Phonocardiography;Leatham;Brit. M. Bull.,1952
4. The genesis of heart sounds;Orias;New England J. Med.,1949
5. Der Mechanismus der halbmondformigen Herzklappen;Ceradini;Leipzig thesis,1872