[1]JournaloftheAmericanChemicalSociety,1940,vol.62,p.511,512
[2]JournaloftheAmericanChemicalSociety,1940,vol.62,p.511,512
[1]PhosphorusandSulfurandtheRelatedElements,1983,vol.17,p.297-306
[1]HelveticaChimicaActa,1976,vol.59,p.379-387
[1]HelveticaChimicaActa,1976,vol.59,p.379-387