TY - RPRT TI - Three-dimensional blade vortex interactions AU - Davoudzadeh, Farhad AU - Buggein, Richard C. AU - Shamroth, Stephen J. AU - Kitaplioglu, Cahit PY - 1991 UR - https://ntrs.nasa.gov/citations/19920064329 ID - 19920064329 ER -