Resonant X-ray diffraction of self-assembled epitaxial systems: From direct to complementary chemical informationL.N. Coelho, B. Diaz, R. Magalhães-Paniago and A. MalachiasEur. Phys. J. Special Topics, 208 (2012) 217-229DOI: https://doi.org/10.1140/epjst/e2012-01620-5