1 “... methods, especially in the metallurgy and coal industries ; Quality assurance and quality control measures...”

2 Table of Contents: “... of Radiation Resistance of Structural Materials of Nuclear Power -- Symbiotic Nuclear—Coal Systems...”

3 Table of Contents: “... of Pixe Method to Coal Analysis --...”

4 Table of Contents: “... associations in coal and their transformation during gasification -- Mössbauer study of two different aged rock...”