[1]Ryvkina,L.A.;Sinitsyn,A.V.;Zakoshanskaya,L.A.;Gankin,V.Yu.[JournalofappliedchemistryoftheUSSR,1991,vol.64,#10.2,p.1991-1994][ZhurnalPrikladnoiKhimii(Sankt-Peterburg,RussianFederation),1991,vol.64,#10,p.2131-2135]
[1]Ryvkina,L.A.;Sinitsyn,A.V.;Zakoshanskaya,L.A.;Gankin,V.Yu.[JournalofappliedchemistryoftheUSSR,1991,vol.64,#10.2,p.1991-1994][ZhurnalPrikladnoiKhimii(Sankt-Peterburg,RussianFederation),1991,vol.64,#10,p.2131-2135]