1. Rich T. A., Pollak L. W. &Metnieks A. L.:Estimation of average size of submicron particles from the number of all and uncharged particles. Geofisica pura e applicata, Milano; 44, 233–241 (1959).
2. Keefe D., Nolan P. J. &Rich T. A.:Charge equilibrium in aerosols according to the Boltzmann law. Proc. Roy. Irish Acad., Dublin; 60 A 4, 27–45 (1959). In the heading of this paper an unfortunate printing error occurs: the paper was not read on 13 April 1958 but on 13 April 1959.
3. Nolan P. J. &Kennan E. L.:Condensation nuclei from hot platinum: size, coagulation coefficient and charge-distribution. Ibidem ; 52 A 13, 171–190 (1949).
4. Fuks N. A.:The mechanics of aerosols, Moscow 1955. Translated from the Russian by M S P. E. Lachowics 1958 (C W L Special Publ. 4 to 12, Technical Information Division, Directorate of Technical Services, U.S. Army Chemical Warfare Laboratories, Army Chemical Center, Maryland).
5. Geophys. Bull;A. L. Metnieks,1959