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[1]RecueildesTravauxChimiquesdesPays-Bas,1952,vol.71,p.285,290
[1]JournaloftheAmericanChemicalSociety,1952,vol.74,p.1602
[1]CanadianJournalofChemistry,1980,vol.58,p.1198-1205
[1]CanadianJournalofChemistry,1980,vol.58,p.1198-1205
[2]JournaloftheAmericanChemicalSociety,1986,vol.108,p.245-247