1. Scott, D., and Mills, G. H., Wear, 16, 234–237 (1970).
2. Westcott, V. C., Survey of Wear Processes and the Particles Resulting from Wear by means of a Ferrograph, (Trans-Sonics Incorporated Technical Report to Office of Naval Research dated, October 1972).
3. Thiruvengadam, A., Appl. Mech. Revs, 245–253 (March 1971).