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3. Effects of Compressible Annular Seals;Proceedings of the 24th Turbomachinery Symposium,1995
4. The Leakage of Steam through Labyrinth Seals;Egli;Trans. ASME,1935
5. Development and Field Application of a Single Rotor Design Dry Gas Seal;Evenson;Proceedings of the 24th Turbomachinery Symposium,1995