The Biosorption Features of Cr (VI) Ions by Dried Biomass of a Facultative Anaerobic Bacillus cereus Strain Pf-1 - Nguema, Paul Fabrice; Luo, Zejiao; Mounir, Zachari Mohamadou; Jing, Lian Jing (Current Research in Science and Technology Vol. 3, 2019)