Asphaltene multilayer growth in porous medium probed by SANS J. Gummel, Y. Corvis, J. Jestin, J. M'Hamdi and L. Barré Eur. Phys. J. Special Topics, 167 (2009) 171-176 Published online: 05 February 2009 DOI: 10.1140/epjst/e2009-00954-3