TY - RPRT TI - Combining Acceleration and Displacement Dependent Modal Frequency Responses Using an MSC/NASTRAN DMAP Alter AU - Barnett, Alan R. AU - Widrick, Timothy W. AU - Ludwiczak, Damian R. PY - 1996 UR - https://ntrs.nasa.gov/citations/19960017265 ID - 19960017265 ER -