[1]Clapperton;MacGregor[JournaloftheAmericanChemicalSociety,1950,vol.72,p.2501]
[1]Jones;Watkinson[JournaloftheChemicalSociety,1958,p.4064,4068]Traverso[GazzettaChimicaItaliana,1958,vol.88,p.851,873]
[1]Schlittler[ChemischeBerichte,1933,vol.66,p.988,994]
[2]Slotta;Heller[ChemischeBerichte,1930,vol.63,p.3029,3043]Grassie;Purves[CanadianJournalofResearch,SectionB:ChemicalSciences,1948,vol.26,p.677,679]
[1]Al-Farhan;Keehn;Stevenson[Synthesis,1992,#10,p.959-961]
[1]Lebedev;Lebedeva;Sheludyakov;Kovaleva;Ustinova;Kozhevnikov[RussianJournalofGeneralChemistry,2005,vol.75,#7,p.1113-1124]