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- Kümmerer, Klaus; Helmers, Eckard; Hubner, Peter et al.
- European hospitals as a source for platinum in the environment in comparison with other sources
- Zwakenberg, Mirriam. Bd. 225. H. 1-2. Elsevier 1999 S. 155 - 165
- Helmers, Eckard; Schrems, Otto
- Wet deposition of metals to the tropical North and the South Atlantic Ocean
- Schrems, Otto. Bd. 29. H. 18. Elsevier 1995 S. 2475 - 2484
- Heimers, Eckard
- Hintergründe des Dieselbooms—Folgen einer ‘CO 2-First’-Politik
- Heimers, Eckard. Bd. 18. H. 1. SpringerOpen 2006 S. 3 - 4
- Hann, Stephan; Helmers, Eckard; Hoppstock, Klaus et al.
- Nuclear analytical methods for platinum group elements
- Rossbach, Matthias. External organization 2005
- Kümmerer, Klaus; Helmers, Eckard
- Hospital effluents as a source of gadolinium in the aquatic environment
- Helmers, Eckard. Bd. 34. H. 4. ACS Publications 2000 S. 573 - 577
- Helmers, Eckard; Schwarzer, Michael; Schuster, Michael
- Comparison of palladium and platinum in environmental matrices: palladium pollution by automobile emissions?
- Schuster, Michael. Bd. 5. H. 1. Ecomed 1998 S. 44 - 50
- Helmers, E
- PGE emissions of automobile catalysts—identifying their track in the environment
- Helmers, E. Springer 2000 S. 133 - 144
- Helmers, Eckard
- Trace metals in suspended particulate matter of Atlantic Ocean surface water (40 N to 20 S)
- Helmers, Eckard. Bd. 53. H. 1-2. Elsevier 1996 S. 51 - 67
- Helmers, Eckard
- Bewertung der Umwelteffizienz moderner Autoantriebe–auf dem Weg vom Diesel-Pkw-Boom zu Elektroautos
- Helmers, Eckard. Bd. 22. H. 5. SpringerOpen 2010 S. 564 - 578
- Helmers, Eckard
- Speciation of cadmium in seawater—a direct voltammetric approach
- Helmers, Eckard. Bd. 350. H. 1. Springer-Verlag 1994 S. 62 - 67