Heavy metals analysis of water, soils and sediments along the Oued Boufekrane river (central Morocco) using WD-XRF and ICP-AES M. Bounakhla, M. Tahri, F. Benyaïch, F. Zahry, E. Bilal, J.J. Gruffat, J. Moutte et D. Garcia J. Phys. IV France, 107 (2003) 207-210 DOI: 10.1051/jp4:20030279