Instrumental Approach and Diagnosis of Total Inorganics in a Typical Carbonaceous Matter von ASUEN, G.O, LUCAS, F.A, IMASUEN, O.I

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Instrumental approach and diagnosis of total inorganics in a typical carbonaceous matter von Asuen, G.O, Lucas, F.A, Imasuen, O.I

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Mineralization episodes and their concentration sites in a typical British coal von Asuen, G.O, Lucas, F.A, Ilegieuno, O.A

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Assessment of major and minor elements in the Northumberland Coalfield, England von Asuen, G.O.

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