8Monib M,Zahra M K,Abdel el-Al S I. Role of silicate bacteria in releasing K and Si from biblite and orthoclase. Soil Biology and Conservation of the Biosphere,1984,2:733~743
9Friedrich S,Platonova N P,Karavaiko G I. Chemical and microbiological solubilization of silicates. Acta Biotechnologica,1991,3:187~196