TY - RPRT TI - Pb isotopes and toxic metal abundances in the floodplain and stream sediments from the Volturno River basin (Campania, Italy); natural and anthropogenic contributions AU - Renato Somma AU - R. A. Ayuso AU - B. de Vivo AU - S. Pagliuca PY - 1999 DO - 10.3133/ofr99366 UR - https://pubs.usgs.gov/publication/ofr99366 ID - ofr99366 ER -