@misc{indiciaeac6d60cc5f22, title = {Studies of vortex flow aerodynamics using CFD flow visualizations}, author = {Hsu, C.-H. and Hartwich, P.-M. and Liu, C. H.}, year = {1989}, url = {https://ntrs.nasa.gov/citations/19890057889}, note = {Source identifier: 19890057889} }