American Society for Testing Materials D2256 69, Breaking Load (Strength) and Elongation of Yarn by the Single-Strand Method , ASTM Book of Standards, Part 24, pp 364-371.
2.
Stephenson, C.V., Moses, B.C., and Wilcox, W.S.Ultraviolet Irradiation of Plastics. I. Degradation of Physical Properties, J. Polymer Sci.55, 451-464 (1961).
3.
Stowe, B.S., Salvin, V.S., Fornes, R.E., and Gilbert, R.D., TheEffect of Near-Ultraviolet Radiation on the Morphology of Nylon 66, Textile Res. J.43, 704-714 (1973).
