Antipov, A. A., Sukhorukov, G. B., Leporatti, S., Radtchenko, I. L., Donath, E., & Möhwald, H. (2002). Polyelectrolyte multilayer capsule permeability control. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 198-200, 535-541. doi:10.1016/S0927-7757(01)00956-6.