1. Noyaux glacogenes d'origine industrielle;Admirat;Bull. Obs. Puy de Dome.,1962
2. Cloud physics of urban weather modification - a preliminary report;Braham;Bull. Amer. Meteorol. Soc.,1974
3. A thermal diffusion chamber for the measurement of ice nuclei concentrations;Gagin;Jr. Rech. Atmos.,1969
4. The influence of climate and weather elements on the activity of natural freezing nuclei. The Physics of Precipitation;Georgii;Geophysical Monograph No. 5, A.G.U.,1960