1. Advanced turboprop technology development
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3. Chang, Li-ko, "The Theoretical. Performance of High Efficiency Propellers", Ph.D. Thesis,Purdue University, Dec. 1980.
4. Aljabri, A. S. "Prediction of' Propeller Performance and Loading In Uniform ,md Nonuniform Flow Fields", M.S. Thesis,The Penn State University, 1978.