Avila, Anna; Queralt-Mitjans, Ignasi; Alarcón, Marta (1997). "Mineralogical composition of African dust delivered by red rains over northeastern Spain". Journal of Geophysical Research102: 21977. doi:10.1029/97JD00485. Bibcode: 1997JGR...10221977A.
Papastefanou, C; Manolopoulou, M; Stoulos, S; Ioannidou, A; Gerasopoulos, E (2001). "Coloured rain dust from Sahara Desert is still radioactive". Journal of Environmental Radioactivity55 (1): 109–112. doi:10.1016/S0265-931X(00)00182-X. பப்மெட்:11381550.
harvard.edu
adsabs.harvard.edu
Avila, Anna; Queralt-Mitjans, Ignasi; Alarcón, Marta (1997). "Mineralogical composition of African dust delivered by red rains over northeastern Spain". Journal of Geophysical Research102: 21977. doi:10.1029/97JD00485. Bibcode: 1997JGR...10221977A.
nih.gov
ncbi.nlm.nih.gov
Papastefanou, C; Manolopoulou, M; Stoulos, S; Ioannidou, A; Gerasopoulos, E (2001). "Coloured rain dust from Sahara Desert is still radioactive". Journal of Environmental Radioactivity55 (1): 109–112. doi:10.1016/S0265-931X(00)00182-X. பப்மெட்:11381550.