1. Precision engineering: an evolutionary perspective;Evans,1987
2. The kinematical design of couplings in instruments;Pollard,1929
3. The mechanical design of instruments;Rosenhain,1905
4. Hertzian contact in two and three dimensions;Tripp;NASA Technical Paper 2473,1985
5. The role of elastic stress analysis in the interpretation of fretting fatigue failures;O'Connor,1981