Why a fern (Pteris multifida) dominantly growing on an arsenictheavy metal contamînated soil does not accumulate arsenic? M. X. Zheng, J. M. Xu, L. Smith et R. NaiduJ. Phys. IV France, 107 (2003) 1409-1411DOI: https://doi.org/10.1051/jp4:20030566