季節学
↑ Meier, Nicole (2007). “Grape Harvest Records as a Proxy for Swiss April to August Temperature Reconstructions”. Diplomarbeit der Philosophisch-naturwissenschaftlichen Fakultät der Universität Bern (Thesis of Philosophy and science faculty of the University of Bern) (ベルン大学). オリジナルの2008年12月17日時点におけるアーカイブ。. https://web.archive.org/web/20081217053707/http://www.giub.unibe.ch/klimet/docs/diplom_nmeier.pdf 2007年12月25日閲覧. "Phenological grape harvest observations in Switzerland over the last 500 years have been used as a proxy indicator for reconstructing past temperature variability."
↑ Meier, N.; Rutishauser, T.; Luterbacher, J.; Pfister, C.; Wanner, H. (2007).