1. Action of radioactivity and of pollution upon parameters of atmospheric electricity;Bricard,1965
2. Equilibre ionique et spectre granulométrique des aérosols naturels. Application aux ions radioactifs;Bricard;Ann. Geophy,1962
3. Electric charge and radioactivity of naturally occurring aerosols;Bricard,1966
4. Casella (non daté) Notice d'utilisation du cascade-impactor Mk 2, 3018/RI.
5. On the equilibrium of ionisation in air containing nuclei