[1]Huggill;Plant[JournaloftheChemicalSociety,1939,p.784,786]
[2]Huggill;Plant[JournaloftheChemicalSociety,1939,p.784,786]
[1]Conrad;Limpach[ChemischeBerichte,1891,vol.24,p.2991]
[1]Conrad;Limpach[ChemischeBerichte,1891,vol.24,p.2991]
[1]Giorgi-Renault,Sylviane;Renault,Jean;Bukovec,Zjelka[Synthesis,1984,#6,p.491-493]