Time of flight secondary ion mass spectrometry and high-resolution transmission electron microscopy/energy dispersive spectroscopy: A preliminary study of the distribution of Cu 2+ and Cu 2+/Pb 2+ on a Bt horizon surfaces

1. Cerqueira, B.
2. Vega, F.A.
3. Serra, C.
4. Silva, L.F.O.
5. Andrade, M.L.