1. Anon.RCASTheoryManual,Version2.0.TechnicalReportUSAMCOM/AFDD TR02-A-005,US ArmyAviationandMissileCommand,Moffett Field,CA, June 2000.
2. Johnson,W.RecentDevelopmentsinRotaryWingAerodynamicTheory,‖ AIAA Journal,Vol.24,No8,1986,pp.1219-1244.
3. Ballhaus,W.F.and Bridgeman,J .O.Numerical SolutionTechniquesfor UnsteadyTransonicproblems,‖AGARDRepNo 679,PaperNO16(1980).