1. Assessment of the tribological requirements of advanced spacecraft mechanisms;Fleischauer,1989
2. Opportunities in future military tribology research and development;Fehrenbacher,1984
3. Future application trends—a case for mechanistic approaches;Fehrenbacher,1989
4. Rolling element bearings in space;Kannel,1986
5. Rownthree R.National Centre of Tribology, Risley, England, private communication