[1]Pfeffer,P.E.etal.[JournalofOrganicChemistry,1972,vol.37,p.451-458]
[1]Pfeffer,P.E.etal.[JournalofOrganicChemistry,1972,vol.37,p.451-458]
[1]Asinger,F.;Scheuffler,B.[JournalfurpraktischeChemie(Leipzig1954),1960,vol.10,p.265-289]
[1]Asinger,F.;Scheuffler,B.[JournalfurpraktischeChemie(Leipzig1954),1960,vol.10,p.265-289]