1. 26—THE “HANDLE” OF CLOTH AS A MEASURABLE QUANTITY
2. Hughes, W.F. and Gaylord, E.W., Basic Equations of Engineering Science, in "Schaum's Outline Series", McGraw-Hill, New York, 1964, p. 85.
3. Large Deformation Modelling of Flexible Materials
4. Bird, J.O. and Chivers, P.J. "Engineering and Physical Science", 2nd end, Newnes, London, 1996, p. 386.
5. The Measurement of Stiffness in Textile Fabrics