1. M.G. Philpot, The buzz-saw noise generated by a high duty transonic compressor, ASME Paper No. 70-GT-54, 1970.
2. Multiple tone generation by transonic compressors;Hawkings;Journal of Sound and Vibration,1971
3. A note on multiple pure tone noise;Kurosaka;Journal of Sound and Vibration,1971
4. M.R. Fink, Shock wave behaviour in transonic compressor noise generation, ASME Paper No. 71-GT-7, 1971.
5. Prediction of the spectral content of combination tone noise;Pickett;Journal of Aircraft,1972