Water quality. Biological methods. Methods of biological sampling: guidance on the design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwater.
NORMA vydaná dňa 29.9.1989
Designation standards: BS EN 28265:1994
Note: NEPLATNÁ
Publication date standards: 29.9.1989
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: British technical standard
Kategória: Technické normy BS