Generalization of Porod's law of small-angle scattering to anisotropic samples S. Ciccariello, J.-M. Schneider, B. Schönfeld and G. Kostorz Europhys. Lett., 50 5 (2000) 601-607 Published online: 01 September 2002 DOI: 10.1209/epl/i2000-00312-y