1. REARDON, F. H., An Investigation of Transverse Mode Combustion Instability in Liquid Propellant Rocket Motors, Princeton University Aeronautical Engineering Report 550 (June 1, 1961) (Ph. D. Thesis)
2. ZINN, B. T., A Theoretical Study of Non-linear Transverse Combustion Instability in Liquid Propellant Rocket Motors, Princeton University, AMS Technical Report No. 732 (May 1966) (Ph. D. Thesis)
3. SIRIGNANO, W. A., A Theoretical Study of Nonlinear Combustion Instability: Longitudinal Mode, Princeton University, AMS Technical Report No. 677 (March 1964) (Ph. D. Thesis)
4. MITCHELL, C. E., Axial Mode Shock Wave Combustion Instability in Liquid Propellant Rocket Engines, Princeton University, AMS Technical Report No. 798, (NASA CR 72259) (July 1967) (Ph. D. Thesis)
5. PRIEM, R. J., and GUENTERT, D. C., Combustion Instability Limits Determined by a Nonlinear Theory and a One-Dimensional Model, NASA TN D-1409 (October 1962)