Determination of small fluctuations in electron density profiles of thin films: Layer formation in a polystyrene filmM. K. Sanyal, J. K. Basu, A. Datta and S. BanerjeeEurophys. Lett., 36 4 (1996) 265-270DOI: https://doi.org/10.1209/epl/i1996-00220-2
