Heavy metals in coastal sediments of the Ligurian sea off Vado Ligure R.M. Bertolotto, B. Tortarolo, M. Frignani, L.G. Bellucci, S. Albanese and C. Cuneo J. Phys. IV France, 107 (2003) 159-162 DOI: 10.1051/jp4:20030267