1. Aerodynamic size associations of natural radioactivity with ambient aerosols;Bondietti,1987
2. Use of radioactive isotopes as atmospheric tracers;Kuroda,1982
3. Transport patterns and residence times for atmospheric trace constituents vs altitudes;Martell,1970
4. Tropospheric aerosol residence times indicated by radon and radon-daughter concentrations;Moore,1972
5. 222Rn, 210Pb, 210Bi and 210Po profiles and aerosol residence times versus altitudes;Moore;J. geophys. Res.,1973