(DOI: https://rda.ucar.edu/datasets/ds625.0/)
(DOI: https://rda.ucar.edu/datasets/ds625.1/)
(DOI: https://rda.ucar.edu/datasets/ds300.0/)
(DOI: https://ads.nipr.ac.jp/dataset/A20151020-004)
(DOI: https://ads.nipr.ac.jp/crdap/dataset/C20100830-006)
(DOI: http://dx.doi.org/10.5880/PIK.2018.007)
(DOI: http://dx.doi.org/10.5880/PIK.2017.010)
(DOI: http://dx.doi.org/10.5880/PIK.2019.003)
(DOI: http://dx.doi.org/10.5880/PIK.2018.006)
(DOI: http://dx.doi.org/10.5880/PIK.2019.007)