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"The Solar Activity Cycle" ed. by A. Balogh et al. is now available as a hard copy or e-book http://t.co/Gf7lHUHuq8 http://t.co/raBlYamvM0
2,269 followers
"The Solar Acitivity Cycle" ed. by A. Balogh et al. is now available as a hard copy or e-book http://t.co/Gf7lHUHuq8 http://t.co/qnqmcSMfyD