[1]Woroshzowetal.[KhimicheskayaNaukaiPromyshlennost,1958,vol.3,p.404][Chem.Abstr.,1958,p.19987]
[1]Vorozhtsov,N.N.etal.[JournalofgeneralchemistryoftheUSSR,1961,vol.31,p.1561-1564][ZhurnalObshcheiKhimii,1961,vol.31,#5,p.1674-1678]
[1]Vorozhtsov,N.N.etal.[JournalofgeneralchemistryoftheUSSR,1961,vol.31,p.1134-1136][ZhurnalObshcheiKhimii,1961,vol.31,#4,p.1227-1229]
[1]Yakobson,G.G.etal.[JournalofgeneralchemistryoftheUSSR,1967,vol.37,p.149-155][ZhurnalObshcheiKhimii,1967,vol.37,#1,p.163-170]
[2]Yakobson,G.G.etal.[JournalofgeneralchemistryoftheUSSR,1967,vol.37,p.149-155][ZhurnalObshcheiKhimii,1967,vol.37,#1,p.163-170]
[1]JournalofgeneralchemistryoftheUSSR,1967,vol.37,p.149-155 ZhurnalObshcheiKhimii,1967,vol.37,p.163-170
