2019 年春期に立山周辺で発生した雪崩 / Avalanches occurred in Tateyama Mountains in the spring 2019
雪氷写真館131:2019 年春期に立山周辺で発生した雪崩 / Avalanches occurred in Tateyama Mountains in the spring 2019
飯田 肇・松田好弘:i-ii