Long-Term Analyses of Aerosol Optical Thickness Using CaliopMasahiro Fujikawa, Rei Kudo, Tomoaki Nishizawa, Eiji Oikawa, Akiko Higurashi and Hajime OkamotoEPJ Web Conf., 237 (2020) 02023DOI: https://doi.org/10.1051/epjconf/202023702023
