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2. 2) T. Spalvins : Lubrication with Sputtered MoS2 Films, ASLE Trans., 14, 4, (1971) 267.
3. 3) R. I. Christy & G. C. Barnett : Sputtered MoS2 Lubrication System for Spacecraft Gimbal Bearings, Lubric. Engg., 34, 8, (1978) 437.
4. 5) P. R. Arbrecht & W. H. Fischer : Testing and Evaluation of Solid Lubricants for Gas Bearings, NASA Contract Rep., CR-2393, (1974).