Static light scattering and electric birefringence experiments on saltfree solutions of poly(styrenesulfonate) C. Johner, H. Kramer, S. Batzill, C. Graf, M. Hagenbüchle, C. Martin and R. Weber J. Phys. II France, 4 9 (1994) 1571-1584 DOI: 10.1051/jp2:1994218