1. Fluid mechanics;Binder,1962
2. Transition between laminar and turbulent flow in human trachea;Dekker;J. Appl. Physiol.,1961
3. Resistance to breathing;Dubois,1964
4. Technische Strömungslehre;Eck,1954
5. The respiratory function of the human larynx;Hooper;N.Y. State J. Med.,1885