TY - GEN AU - Ludwig, Lawrence P. AU - Johnson, Robert L. AU - Zuk, John TI - NASA TN [D-6568]: DESIGN STUDY OF SHAFT FACE SEAL WITH SELF-ACTING LIFT AUGMENTATION : IV-FORCE BALANCE PY - 1972/// PB - NASA, Washington, D.C. KW - Aerodynamics N1 - NASA Technical Note D-6552,53,57,63,68 Bounded Volumes Accession No. 101251; Contents: TR13142-46 ER -