1. Solution of the subsynchronous whirl problem in the high-pressure hydrogen turbomachinery of the space shuttle main engine;Ek,1978
2. Turbomachinery rotordynamics: phenomena, modeling, and analysis;Childs,1993
3. Studies on vibrations stimulated by lateral forces in sealing gaps;Benckert,1978
4. Experimental investigation of lateral forces induced by flow through model labyrinth glands;Leong,1984
5. Experimental rotordynamic coefficient results for teeth-on-rotor and teeth-on-stator labyrinth gas seals;Childs;ASME J Eng Gas Turb Power,1986