1. Batchelor, G. K., 1967. An Introduction to Fluid Dynamics, Cambridge University Press.
2. Brentner, K. S., 1990. The Sound of Moving Bodies, Cambridge University Thesis.
3. AIAA Paper;BE Mitchell,1992
4. AIAA Paper;CK Tarn,1992
5. Watson, W. R., 1991. A Time Domain Numerical Theory for Studying Steady-State Acoustic Disturbance in Flow, George Washington University Thesis.