Self-assembly and structure transformations in living polymers forming fibrils I. A. Nyrkova, A. N. Semenov, A. Aggeli, M. Bell, N. Boden and T. C.B. McLeish Eur. Phys. J. B, 17 3 (2000) 499-513 Published online: 15 October 2000 DOI: 10.1007/s100510070128