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1 Flower, P. J., "Transformations form theoretical Hertzsprung-Russell Diagrams to color-magnitude dia-grams: Effective Temperatures, B − V colors, and bolo-metric corrections" 469 : 355-, 1996
2 Schrijver, C. J., "Nearly simultaneous observations of chromospheric and coronal radiative losses of cool stars" 258 : 432-, 1992
3 Olmedo, M., "Mg II h+k flux-Rotational period correlation for G-type stars" 125 : 143-, 2013
4 Buccino, A. P., "Mg II h + k emission lines as stellar activity indicators of main-sequence F-K stars" 483 : 903-, 2008
5 Schrijver, C. J., "Magnetic structure in cool stars: XI. Relations between radiative fluxes measuring stellar ac-tivity, and evidence for two components in stellar chro-mospheres" 172 : 111-, 1987
6 Oranje, B. J., "Magnetic structure in cool stars: VII. The Mg II h and k surface fluxes in relation to the Mt. Wilson photometric Ca II H and K measurements" 147 : 265-, 1985
7 Oranje, B. J., "Magnetic structure in cool stars: V. Chromospheric and Transition-region Emission from Giants" 110 : 30-, 1982
8 Middelkoop, F., "Magnetic structure in cool stars. IV-Rotation and CA II H and K emission of main-sequence stars" 107 : 31-, 1982
9 Rutten, R. G. M., "Magnetic structure in cool stars : XVII. Minimum radiative losses from the outer atmosphere" 252 : 203-, 1991
10 Rutten, R. G. M., "Magnetic structure in cool stars : VII. Absolute surface fluxes in Ca II H and K line core" 130 : 353-, 1984
11 Friis-Christensen, E., "Length of the Solar Cycle: An Indicator of Solar Activity Closely Associated with Climate" 698-, 1991
12 Vaughan, A. H., "Flux measurements of Ca II and K emission" 90 : 267-, 1978
13 Choi, H., "Cycle Length Dependence of Stellar Magnetic Activity and Solar Cycle 23" 802 : 67-, 2015
14 Wilson, O. C., "Chromospheric variations in main-sequence stars" 226 : 379-, 1978
15 Metcalfe, T. S., "Asteroseismic signatures of stellar magnetic ac-tivity cycles" 379 : L16-, 2007