@misc{indiciae8277f8734425, title = {Investigation to Determine Effects of Rectangular Vortex Generators on the Static Pressure Drop Through a 90 Degrees Circular Elbow}, author = {Valentine, E Floyd and Copp, Martin R}, year = {1953}, url = {https://ntrs.nasa.gov/citations/19930087591}, note = {Source identifier: 19930087591} }