Note 51
From "The Cosmic Ray Connection" In Global Climate Explained

W.H. Soon, E.S. Posmentier, and S.L. Baliunas, 1996. "Inference of Solar Irradiance Variability from Terrestrial Temperature Changes, 1880-1993: An Astrophysical Application of the Sun-Climate Connection," The Astronomical Journal, Vol. 472, pp. 891-902