[Study on the pollution & auto purification of the rivers in the region of Ghent, Leie, Schelde & contributaries, in the winter 1956 to 1957].
D004787:Environmental Pollution; D045483:Rivers; D012621:Seasons; D014881:Water Supply
WATER SUPPLY
Onderzoek over de bevuiling, de besmetting en de auto-epuratie der Gentse rivierwaters Leie, Schedle en verbindingswaters; winter 1956-1957.