Quantitative analysis of lyotropic lamellar phases SANS patterns in powder oriented samples F. Castro-Roman, L. Porcar, G. Porte and C. Ligoure Eur. Phys. J. E, 18 3 (2005) 259-272 Published online: 18 October 2005 DOI: 10.1140/epje/e2005-00029-6