[Biological test procedures. Reports from the Biotest Status Seminars in 1989 and 1992]. [electronic resource] - Schriftenreihe des Vereins fur Wasser-, Boden- und Lufthygiene 1992 - 1-879 p. digital Publication Type: Overall; Journal Article ISSN: 0300-8665 Subjects--Topical Terms: AnimalsEnvironmental MonitoringEnvironmental PollutantsGermany