[1]Chrelashvili,Z.G.;Mavrov,M.V.;Dolidze,A.V.;Voronkov,A.P.;Serebryakov,E.P.[RussianChemicalBulletin,1993,vol.42,#4,p.734-736][IzvestiyaAkademiiNaukSSSR,SeriyaKhimicheskaya,1993,#4,p.766-768]
[2]Chrelashvili,Z.G.;Mavrov,M.V.;Dolidze,A.V.;Voronkov,A.P.;Serebryakov,E.P.[RussianChemicalBulletin,1993,vol.42,#4,p.734-736][IzvestiyaAkademiiNaukSSSR,SeriyaKhimicheskaya,1993,#4,p.766-768]
