[1]BulletinoftheAcademyofSciencesoftheUSSRDivisionofChemicalScience,1989,vol.38,p.1494-1500 IzvestiyaAkademiiNaukSSSR,SeriyaKhimicheskaya,1989,p.1630-1636
[2]BulletinoftheAcademyofSciencesoftheUSSRDivisionofChemicalScience,1989,vol.38,p.1494-1500 IzvestiyaAkademiiNaukSSSR,SeriyaKhimicheskaya,1989,p.1630-1636