1. Unsteady pressures and forces during transonic buffeting of a supercritical airfoil
2. 4Rabiner, L. R., Schafer, R. W., and Dlugos, D. "Periodgram Method for Power Spectrum Estimation" and "Correlation Method for Power Spectrum Estimation," Programs for Digital Signal Processing, edited by the Digital Processing Committee, IEEE Acoustics, Speech and Signal Processing Society,Institute of Electrical and Electronics Engineers, New York,1979, pp.2.1.1-2.1.10and 2.2.1-2.2.14.