[1]JournaloftheAmericanChemicalSociety,1950,vol.72,p.2190,2193
[1]JournaloftheAmericanChemicalSociety,1982,vol.104,#21,p.5849-5850
[1]JournaloftheAmericanChemicalSociety,1950,vol.72,p.2190,2193
[1]JournaloftheAmericanChemicalSociety,1950,vol.72,p.2190,2193
[1]JustusLiebigsAnnalenderChemie,1961,vol.643,p.110-116
[1]JournaloftheAmericanChemicalSociety,1982,vol.104,p.5849-5850