%0 Journal Article %A Serjani, A. %T Radioactivity of Phosphorites and Some Opinions on Their Genesis %D 2013 %J , %V %@ 2214-4609 %C cp-362-00011 %R https://doi.org/10.3997/2214-4609.20131669 %I European Association of Geoscientists & Engineers, %X %U https://www.earthdoc.org/content/papers/10.3997/2214-4609.20131669