World Meteorological Organization. (1970). Proceedings of the WMO. World Meteorological Organization.
Lua i Stíl Chicago (17ú heag.)World Meteorological Organization. Proceedings of the WMO. Geneva: World Meteorological Organization, 1970.
Lua MLA (9ú heag.)World Meteorological Organization. Proceedings of the WMO. World Meteorological Organization, 1970.
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