WMO Technical Note No.25:Design of hydrological networks,No.26:Techniques for surveying surface -water resources
World Meteorological Organization
WMO Technical Note No.25:Design of hydrological networks,No.26:Techniques for surveying surface -water resources - Geneva World Meterological Organization 1958
WMO / T NO.25,26
WMO Technical Note No.25:Design of hydrological networks,No.26:Techniques for surveying surface -water resources - Geneva World Meterological Organization 1958
WMO / T NO.25,26