Water quality; fresh water algal growth inhibition test with Scenedesmus subspicatus and Selenastrum capricornutum (ISO 8692:1989); German version EN 28692:1993— 15 стр.
Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum (ISO 10253:1995); German version EN ISO 10253:1998— 15 стр.
German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determination of the inhibitory effect of water constituents on the growth of scenedesmus green algae (L 9)— 14 стр.