%0 Journal Article %T Voltammetric determination of lead, cadmium and copper traces in ammonium fluoride %A Nedeltcheva, T. %J Analytical and Bioanalytical Chemistry %V 354 %N 3 %P 370-371 %@ 1618-2642 %D 1996-01-01 %I Springer-Verlag %~ DeepDyve