[1]JournaloftheAmericanChemicalSociety,1940,vol.62,p.1861
[1]JustusLiebigsAnnalenderChemie,1936,vol.526,p.1,21
[1]ArchivderPharmazie,1987,vol.320,p.1059-1064
[1]ArchivderPharmazie,1987,vol.320,p.1059-1064
[1]ArchivderPharmazie,1987,vol.320,p.1059-1064