[1]Drefahl,G.;Ploetner,G.[ChemischeBerichte,1960,vol.93,p.990-998]
[1]Drefahl,G.;Ploetner,G.[ChemischeBerichte,1960,vol.93,p.990-998]
[1]Raston,Ilona;Wennerstroem,Olof[ActachemicaScandinavica.SeriesB:Organicchemistryandbiochemistry,1982,vol.36,#10,p.655-660]
[1]Raston,Ilona;Wennerstroem,Olof[ActachemicaScandinavica.SeriesB:Organicchemistryandbiochemistry,1982,vol.36,#10,p.655-660]