V. P. Harper

Modeling and measurement of flow effects on tracheal sounds

George R. Wodicka, Hans Pasterkamp, Hiroshi Kiyokawa, 2003, IEEE Transactions on Biomedical Engineering.

An acoustic model of the respiratory tract

George R. Wodicka, Hans Pasterkamp, Steve S. Kraman, 2001, IEEE Transactions on Biomedical Engineering.

Respiratory tract acoustical modeling and measurements

V. P. Harper, 2000 .