[1]JournalofappliedchemistryoftheUSSR,1986,vol.59,p.1455-1459
[2]JournalofappliedchemistryoftheUSSR,1986,vol.59,p.1455-1459
[1]JournalofappliedchemistryoftheUSSR,1986,vol.59,p.1455-1459
[2]JournalofappliedchemistryoftheUSSR,1986,vol.59,p.1455-1459
[3]JournalofappliedchemistryoftheUSSR,1986,vol.59,p.1455-1459