%0 Journal Article %T Leaching of Fluoride from Biotite Mica in Soil: Implications for Fluoride in Shallow Groundwater %A K. U. K. S. Kularatne %A H. M. T. G. A. Pitawala %J ISRN Soil Science %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/739051 %U http://dx.doi.org/10.5402/2012/739051