TY - GEN AU - Labus,Thomas L. TI - NASA TN [D-5412]: natural frequency of liquids in annular cylinders under low gravitational conditions PY - 1969/// PB - NASA, Washington, D.C. KW - Aeronautics N1 - Technical Note D-5400-20 Bound Vol. No.101163; Contents: TR13764-83 ER -