TY - RPRT TI - A user's guide for V174, a program using a finite difference method to analyze transonic flow over oscillating wings AU - Butler, T. D. AU - Weatherill, W. H. AU - Sebastian, J. D. AU - Ehlers, F. E. PY - 1977 UR - https://ntrs.nasa.gov/citations/19780004070 ID - 19780004070 ER -