DIN EN 15196:2006-10 Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment; German version EN 15196:2006
2006DIN EN 15196:2006-10 Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment; German version EN 15196:2006
2006DIN EN 15196:2006 Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment; English version of DIN EN 15196:2006-10