1. Zemlin, J.C. A study of the mechanical behavior of spider silks. U.S. Army Natick Technical Report 69-29-CM, 1968.
2. Ko, F. Nonlinear viscoelasticity of aramid fibers. Ph.D Thesis; Atlanta, GA: Georgia Institute of Technology, 1977.
3. Witt, P.N., Reed, C.F. and Peakall, D.B. A Spider’s Web: Problems in Regulatory Biology. New York: Springer-Verlag, 1968.
4. Friedrich, V.L., Jr. and Langer, R.M. Fine structure of cribellate spider silk. Am. Zoologist. 1969; 9: 91.
5. Peakall, D.B. Synthesis of silk, mechanism and location. Am. Zoologist 1969; 9: 71.