Busch, P.;Rauscher, M.;Smilgies, D.-M.;Posselt, D.;Papadakis, C. M. Grazing-incidence small-angle X-ray scattering from thin polymer films with lamellar structures – the scattering cross section in the distorted-wave Born approximation Journal of Applied Crystallography 2006 39 3 433-442