RESEARCH INTO ELECTRON-ACCEPTİNG CENTRES OF ZYKH CAOLİN AND İTS MODİFİED FORMS

A.İ.Yagubov, S.A.Mamedova, A.N.Nuriyev, İ.Y.Gasanov, V.A.İsmailova, N.G.Efendiyeva, G.M.Geydarzade, S.B.Aslanova