TY - RPRT TI - Design Charts for Flat Compression Panels Having Longitudinal Extruded Y-section Stiffeners and Comparison with Panels Having Formed Z-section Stiffeners AU - Dow, Norris F AU - Hickman, William A PY - 1947 UR - https://ntrs.nasa.gov/citations/19930082025 ID - 19930082025 ER -