"A contribution to the International Hydrological Decade."

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v. 1. General and regime characteristics of stations selected -- v. 2. Monthly and annual discharges recorded at various selected stations (from start of observations up to 1964) -- v. 3. Moan monthly and extreme discharges (1965-1969).

v. 1. General and regime characteristics of stations selected -- v. 2. Monthly and annual discharges recorded at various selected stations -- v. 3. Mean monthly and extreme discharges.