[1]ChemischeBerichte,1878,vol.11,p.1571
[1]ChemischeBerichte,1878,vol.11,p.1571
[1]Patent:DE80747, Fortschr.Teerfarbenfabr.Verw.Industriezweige,vol.4,p.151
[1]JournaloftheAmericanChemicalSociety,1935,vol.57,p.1549
[1]JournaloftheAmericanChemicalSociety,1935,vol.57,p.1549