title: Tungsten-181 and other short lived fission products in ground level air in North Germany and North Norway.
mesh_terms: D000398:Air Pollution, Radioactive / Q000032:analysis*; D002563:Cerium / Q000032:analysis; D002586:Cesium / Q000032:analysis; D005859:Germany, East; D009556:Niobium / Q000032:analysis; D009664:Norway; D009680:Nuclear Fission; D011874:Radiometry; D012428:Ruthenium / Q000032:analysis; D014414:Tungsten / Q000032:analysis*; D015040:Zirconium / Q000032:analysis
chemical_list: D009556:Niobium; D002586:Cesium; D002563:Cerium; D012428:Ruthenium; D015040:Zirconium; D014414:Tungsten