Biomonitoring of the atmospheric pollution by heavy metals in Morocco A. Gaudry, A. Senhou, A. Chouak, R. Cherkaoui, Z. Moutia, M. Lferde, A. Elyahyaoui, T. El Khoukhi, M. Bounakhla, K. Embarch et al. (2 de plus) J. Phys. IV France, 107 (2003) 533-536 DOI: 10.1051/jp4:20030358