Phase segregation in polymer thin films: Elucidations by X-ray and scanning force microscopyH. Ade, Winesett, A. P. Smith, S. Qu, S. Ge, J. Sokolov and M. RafailovichEurophys. Lett., 45 4 (1999) 526-532DOI: https://doi.org/10.1209/epl/i1999-00198-7