Selected ESTL papers on ball bearings for satellites / M.J. Todd, K.T. Stevens, E.J. RobbinsBAe solar-array drive mechanism: life test, stripdown and optical encoder examination / A.J. Walton, J. Gillies, J.A. Duvall ; [ed. by W.R. Burke]Thermal-vacuum real-life test of an MSDS solar-array drive mechanism (MSDS 002) : first four years of operation / K. Parker, A. Douglas ; [ed. by W.R. Burke]Molybdenum disulphide lubrication : a continuation survey: 1977/8 / A.R. Lansdown ; [ed. by W.R. Burke]Molybdenum disulphide lubrication : a continuation survey: 1979/80 / A.R. Lansdown ; [ed. by W.R. Burke]Low-temperature lubrication, a survey / A.R. Lansdown ; [ed. by W.R. Burke]Thermal-vacuum real-life test of a Dornier medium-speed despin mechanism : first four years of operation / K. Parker, A. Douglas ; [ed. by W.R. Burke]