TY - GEN AU - Heyso, Harry H. ED - Washington.National Aeronautics and Space Administration TI - Tables of interference factors for use in wind-tunnel and ground-effect calculations for VTOL-STOL aircraft PY - 1962/// CY - Washington PB - National Aeronautics and Space Administration (NASA) KW - Aerospace N1 - Pt.IV. Wind tunnels having width-height ratio of 0.5 NASA TN D935 NASA TN D936 NASA TN D937 NASA TN D938 NASA TN D939 NASA TN D940 ER -