TY - RPRT TI - Noise characteristics of upper surface blown configurations. Experimental program and results AU - Brown, W. H. AU - Searle, N. AU - Blakney, D. F. AU - Pennock, A. P. AU - Gibson, J. S. PY - 1977 UR - https://ntrs.nasa.gov/citations/19780002148 ID - 19780002148 ER -