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2. Vainer G.M., Danilov V.M. Run-in test modes of the face contact seals and radially-face contact seal of the GTE rotors. Moscow.: Aircraft industry №1, (1983), pp. 18-20.
3. Krivshich N.G., Pavljyk S.A., Dejneka A.V., Kolesnik S.A. Experience designing and development dry gas seal of the Greis. Manufacturers -consumers of the compressor and compressor equipment, (1999), pp. 62-66.
4. Advertising publications and articles of the seals firm-manufacturer.
5. Dotsenko V.N., Usik V.V., Stribyl A.S., Efimenko A.V., Kolomoets A.E. Stand and experimental assembly used for testing the radial and thrust plain bearings of the booster gas-pumping unit. Herald of the propulsion engineering. №1, (2003), pp. 81-83.