[1]JournaloftheAmericanChemicalSociety,1953,vol.75,p.3697,3699
[1]JournaloftheAmericanChemicalSociety,1953,vol.75,p.3697,3699
[1]JournaloftheAmericanChemicalSociety,1955,vol.77,p.3529,3531
[1]JustusLiebigsAnnalenderChemie,1959,vol.622,p.196,198
[1]JournaloftheAmericanChemicalSociety,1953,vol.75,p.3697,3699