TY - RPRT TI - Interference-free wind-tunnel flows by adaptive-wall technology AU - Sears, W. R. AU - Vidal, R. J. AU - Erickson, J. C., Jr. AU - Ritter, A. PY - 1976 UR - https://ntrs.nasa.gov/citations/19760064385 ID - 19760064385 ER -