1. Fishie, B. K. andG. E. Rogers, J. Mol. Biol.3, 784 (1961).
2. Johnson, D. J. andJ. Sikorski, Nature194, 31 (1962).
3. Dobb, M. G., D. J. Johnson, andJ. Sikorski, Fifth International Conference on Electron Microscopy, Philadelphia.192, Vol.2, T. 4.
4. Johnson, D. J. etJ. Sikorski, IIIème Congrès International de la Recherche Textile Lainière, Paris 1965, Section 1, 147.
5. Menefee, E., Text. Res. J.38, 1149 (1968).