[1]BulletindelaSocieteChimiquedeFrance,1928,vol.<4>43,p.875
[1]BulletindelaSocieteChimiquedeFrance,1925,vol.<4>37,p.1415
[2]JournaloftheAmericanChemicalSociety,1954,vol.76,p.5777
[1]BulletindelaSocieteChimiquedeFrance,1925,vol.<4>37,p.1420
[1]JournaloftheAmericanChemicalSociety,1990,vol.112,p.6690-6695
[1]JournaloftheAmericanChemicalSociety,1990,vol.112,p.6690-6695