1. British Standard BS 3730: 1964: Assessment of departure from roundness. British Standards Institution, London.
2. Canadian Standard CSA B95: 1962: Surface texture (roughness, waviness and lay), Canadian Standards Association, Rexdale, Ontario.
3. American Standard ASA B64.1: 1962: Surface texture (roughness, waviness and lay). American Standards Association, New York.
4. Relation between out-of-roundness parameters;Damir,1977
5. Stochastic characterization of macro and microerrors of journal bearing roundness;Velsher;Trans. ASME,1976