German standard methods for the examination of water, waste water and sludge; biological-ecological analysis of water (group M); determination of the saprobic index (M 2)
German title
Deutsche Einheitsverfahren zur Wasser-, Abwasser- und Schlammuntersuchung; Biologisch-ökologische Gewässeruntersuchung (Gruppe M); Bestimmung des Saprobienindex (M 2)
Publication date
1990-10
Original language
German
Pages
18
Publication date
1990-10
Original language
German
Pages
18
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