[1]JournalofgeneralchemistryoftheUSSR,1982,vol.52,p.2287-2291 ZhurnalObshcheiKhimii,1982,vol.52,p.2588-2592
[2]JournalfurpraktischeChemie(Leipzig1954),1927,vol.<2>116,p.93
[1]v.Auwers;Baehr[JournalfurpraktischeChemie(Leipzig1954),1927,vol.<2>116,p.93]
[1]Manaev,Yu.A.;Andreeva,M.A.;Perevalov,V.P.;Stepanov,B.I.;Dubrovskaya,V.A.;Seraya,V.I.[JournalofgeneralchemistryoftheUSSR,1982,vol.52,#11,p.2291-2296][ZhurnalObshcheiKhimii,1982,vol.52,#11,p.2592-2598]
[1]JournalfurpraktischeChemie(Leipzig1954),1927,vol.<2>116,p.93
[1]v.Auwers;Baehr[JournalfurpraktischeChemie(Leipzig1954),1927,vol.<2>116,p.93]