De Marsano, P., "Effect of Eccentric Rollers and Faulty Roller Load Distribution upon the Regularity of Rayon," Enka Breda Rayon Review7. p. 105-122 (Nov. 1954).
2.
Foster, G.A.R. , "Cotton Yarn Irregularity and High Drafting ," J. Textile Inst.42. p. P945-P962 (1951).
3.
Foster, G.A.R. , and Tyson, A., "The Amplitudes of Periodic Variations Caused by Eccentric Top Drafting Rollers and their Effect on Yarn Strength." J Textile Inst.47, p. T385-T393 ( 1956).
4.
Gregory, J., and Tyson, A., "Defective Drafting Arising from Imperfections in Front Rollers of Muler and Ring Frames," J. Textile Inst. 42, p 1147-T167 (1951).
5.
Keyser, William R., "The Effect of Drafting Roll Run-Out of Cotton Processing Machinery on the Quality of the Processed Item," Confidential Research Report 52, Institute of Textile Technology, Charlottesville, Virginia (1952).
6.
Middleton, Jack O., "A Study of the Effect of Roll Run-Out on the Quality of Yarn Processed on the Saco-Lowell Duo-Roth System." M. Sc. Thesis, Institute of Textile Technology, Charlottesville, Virginia (1956).
7.
Sheldon, A.N. , "Charts for Determining the Approximate Strength of Carded and Combed Warp Yarns made from Various Staples of Cotton," Miscellaneous Scientific Papers of F. P. Sheldon and Sons , Providence, Rhode Island, p. 45 (1926).