〈参考資料〉
International Atlas of Clouds and of States of the Sky. 1930, International
Meteorological Commitee
International Cloud Atlas Volume T. 1956, World Meteorological Organization
International Cloud Atlas Volume T, 1975, World Meteorological Organization
International Cloud Atlas Volume U, 1987, World Meteorological Organization
International Cloud Atlas Abridged Atlas, 1956, World Meteorological Organization
地上気象観測法, 1988, 気象庁・日本気象協会
地上気象観測法 別冊「雲の観測」, 1989, 気象庁
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