1. D.R., Axelrad, L., Kops, M.K.R., Rao “Determination of surface characteristics using Optical Grating Topography”, Proc., NAMRC-XIV 1986.
2. M.K.R. Rao, “Stochastic analysis of functional behaviour of surfaces in contact”, M.E. Thesis, McGill University, Montreal, 1986.
3. “Random Process Model of Rough surfaces”;Nayak;Trans. ASME, Journal of Lubrication Technology,1971
4. “Quantitative Stereology”;Underwood,1970
5. “Rough Surfaces”;Thomas,1982