On the use of indices to study extreme precipitation on sub-daily and daily timescales - Alexander, Lisa; Fowler, Hayley; Bador, Margot; Behrangi, Ali; Donat, Markus; Dunn, Robert; Funk, Chris; Goldie, James; Lewis, Elizabeth; Roge, Marine; Seneviratne, Sonia I; Vengupal, V (Environmental Research Letters, 2019)