Shrinking of ultrathin polyelectrolyte multilayer capsules upon annealing: A confocal laser scanning microscopy and scanning force microscopy study S. Leporatti, C. Gao, A. Voigt, E. Donath and H. MöhwaldEur. Phys. J. E, 5 1 (2001) 13-20DOI: https://doi.org/epje/v5/p13(e0010)