Comment on Barrell et al. "Reconciling the onset of deglaciation in the Upper Rangitata valley, Southern Alps, New Zealand" (Quaternary Science Reviews 203 (2019), 141–150.). (1st September 2019) - Shulmeister, J.; Fink, D.; Winkler, S.; Thackray, G.D.; Borsellino, R.; Hemmingsen, M.; Rittenour, T.M.