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4. Climax Neutron Monitor Data were taken from: 〈ftp://ftp.ngdc.noaa.gov/STP/SOLAR_DATA/COSMIC_RAYS/climax.tab〉.
5. Dragic, A., Anicin, I., Banjanac, R., Udovocic, V., Jokovoc, D., Puzovich, J., 2010. Forbush decreases—clouds relation in the Neutron Monitor Era. In: Proceedings of the European Cosmic Ray Symposium, Turku, submitted to ASTRA (private communication).