[1]ChemischeBerichte,1891,vol.24,p.768
[1]JournaloftheChemicalSociety,1935,p.303,307
[2]JournaloftheChemicalSociety,1935,p.303,307
[1]JournaloftheChemicalSociety,1935,p.303,307
[1]JournaloftheAmericanChemicalSociety,1956,vol.78,p.1225
[1]ChemischeBerichte,1925,vol.58,p.48
[2]BulletindelaSocieteChimiquedeFrance,1966,p.3328-3331