1. Fox, F. R., Seed, J. R., Mills, R. R., 1972, Cuticle sclerotization by the American cockroach: Immunological evidence for the incorporation of blood proteins into the cuticle, l. Insect Physiol. 18: 2065-2070.
2. Fraenkel, G. Rudall, K. M., 1940, A study of the physical and chemical properties of the insect cuticle, Proc. Roy. Soc. G, 129: 1 - 35.
3. Fraenkel, G. Rudall, K. M., 1947, The structure of insect cuticles, Proc. Roy. Soc. J, 134: 111-143.
4. Fristrom, J. W., Hill, R. J., and Watt, F., 1978, The procuticle of Drosophila: Heterogeneity of urea-soluble proteins. Biochemistry 17:3917 - 3924.
5. Hackman R. H., 1953, Chemistry of insect cuticle. 1. The watersoluble proteins, Biochem. 54: 362-367.