Variations in the cosmic radiation, 1890-1986, and the solar and terrestrial implications

McCracken KG, Beer J & McDonald FB
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McCracken, K. G., Beer, J., & McDonald, F. B. (2004). Variations in the cosmic radiation, 1890-1986, and the solar and terrestrial implications. Advances in Space Research, 34(2), 397-406. https://doi.org/10.1016/j.asr.2004.05.002