Harra, L. K., Ugarte-Urra, I., De Rosa, M., Mandrini, C., van Driel-Gesztelyi, L., Baker, D., . . . Demoulin, P. (2017). A study of the long term evolution in active region upflows. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF JAPAN, 69 (3), ARTN 47. doi:10.1093/pasj/psx021