اللائحة الفنية - المجلد الثالث
Collection(s) and Series: الوثائق الأساسية- No. 2
Language(s): Arabic; Other Languages: Chinese, English, French, Russian, Spanish
Format: Digital (Free)
Tags: Water ; Meteorology ; Hydrology ; Technical Publications 
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Technical Regulations (WMO-No. 49), Volume III: Hydrology (2021 edition)