1. Pollak L. W. &O'Connor T. C.:Decay of aerosols in small and very small vessels and a static method for determining the size of condensation nuclei. Proc. Intern. Symposium on Condensation Nuclei, Dublin 1955. Geofisica pura e applicata; 31, 66–79 (1955).
2. Fürth R.:On the theory of diffusion and sedimentation of condensation nuclei in cylindrical containers. Ibidem.
3. Pollak L. W., O'Connor T. C., Metnieks A. L. & Fürth R.:On the determination of the diffusion coefficient of condensation nuclei using the static and dynamic methods. Geofisica pura e applicata; 34 (1956).
4. Nolan, J. J., Nolan P. J. &Gormley P. G.:Diffusion and fall of atmospheric condensation nuclei. Proc. Roy. Irish Acad.; 45 A 4, 47–63 (1938).