1. Development of Superconducting High Gradient Magnetic Separator for Beneficiation of Kaolin Clay;Yan,1978
2. Method of Biocatalytic Removal of Iron from Mineral Raw Materials;Groudev,1978
3. Processo per la rimozione del ferro da concentrati di caolino, quarzo ed altri materiali di interesse industriale;Toro,1990
4. Improvement of iron leaching in clays: optimizing processing parameters in sodium dithioite reduction;Conley,1970
5. Purification of registro kaolin by magnetic separation;Guimares;Trans. Inst. Min. Metall.,1987